989783872

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 252

約数和(自身を含む): 2683642080

約数和(自身を除く): 1693858208

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 31, 32, 38, 44, 56, 62, 64, 76, 77, 88, 112, 121, 124, 133, 152, 154, 176, 209, 217, 224, 242, 248, 266, 304, 308, 341, 352, 418, 434, 448, 484, 496, 532, 589, 608, 616, 682, 704, 836, 847, 868, 961, 968, 992, 1064, 1178, 1216, 1232, 1364, 1463, 1672, 1694, 1736, 1922, 1936, 1984, 2128, 2299, 2356, 2387, 2464, 2728, 2926, 3344, 3388, 3472, 3751, 3844, 3872, 4123, 4256, 4598, 4712, 4774, 4928, 5456, 5852, 6479, 6688, 6727, 6776, 6944, 7502, 7688, 7744, 8246, 8512, 9196, 9424, 9548, 10571, 10912, 11704, 12958, 13376, 13454, 13552, 13888, 15004, 15376, 16093, 16492, 18259, 18392, 18848, 19096, 21142, 21824, 23408, 25916, 26257, 26908, 27104, 30008, 30752, 32186, 32984, 36518, 36784, 37696, 38192, 42284, 45353, 46816, 51832, 52514, 53816, 54208, 60016, 61504, 64372, 65968, 71269, 73036, 73568, 73997, 76384, 84568, 90706, 93632, 103664, 105028, 107632, 116281, 120032, 127813, 128744, 131936, 142538, 146072, 147136, 147994, 152768, 169136, 181412, 200849, 207328, 210056, 215264, 232562, 240064, 255626, 257488, 263872, 285076, 292144, 295988, 338272, 362824, 401698, 414656, 420112, 430528, 465124, 498883, 511252, 514976, 570152, 584288, 591976, 676544, 725648, 803396, 813967, 840224, 930248, 997766, 1022504, 1029952, 1140304, 1168576, 1183952, 1405943, 1451296, 1606792, 1627934, 1680448, 1860496, 1995532, 2045008, 2209339, 2280608, 2367904, 2811886, 2902592, 3213584, 3255868, 3720992, 3991064, 4090016, 4418678, 4561216, 4735808, 5623772, 6427168, 6511736, 7441984, 7982128, 8180032, 8837356, 11247544, 12854336, 13023472, 15465373, 15964256, 17674712, 22495088, 26046944, 30930746, 31928512, 35349424, 44990176, 52093888, 61861492, 70698848, 89980352, 123722984, 141397696, 247445968, 494891936, 989783872]

約数ペア:

[(1, 989783872), (2, 494891936), (4, 247445968), (7, 141397696), (8, 123722984), (11, 89980352), (14, 70698848), (16, 61861492), (19, 52093888), (22, 44990176), (28, 35349424), (31, 31928512), (32, 30930746), (38, 26046944), (44, 22495088), (56, 17674712), (62, 15964256), (64, 15465373), (76, 13023472), (77, 12854336), (88, 11247544), (112, 8837356), (121, 8180032), (124, 7982128), (133, 7441984), (152, 6511736), (154, 6427168), (176, 5623772), (209, 4735808), (217, 4561216), (224, 4418678), (242, 4090016), (248, 3991064), (266, 3720992), (304, 3255868), (308, 3213584), (341, 2902592), (352, 2811886), (418, 2367904), (434, 2280608), (448, 2209339), (484, 2045008), (496, 1995532), (532, 1860496), (589, 1680448), (608, 1627934), (616, 1606792), (682, 1451296), (704, 1405943), (836, 1183952), (847, 1168576), (868, 1140304), (961, 1029952), (968, 1022504), (992, 997766), (1064, 930248), (1178, 840224), (1216, 813967), (1232, 803396), (1364, 725648), (1463, 676544), (1672, 591976), (1694, 584288), (1736, 570152), (1922, 514976), (1936, 511252), (1984, 498883), (2128, 465124), (2299, 430528), (2356, 420112), (2387, 414656), (2464, 401698), (2728, 362824), (2926, 338272), (3344, 295988), (3388, 292144), (3472, 285076), (3751, 263872), (3844, 257488), (3872, 255626), (4123, 240064), (4256, 232562), (4598, 215264), (4712, 210056), (4774, 207328), (4928, 200849), (5456, 181412), (5852, 169136), (6479, 152768), (6688, 147994), (6727, 147136), (6776, 146072), (6944, 142538), (7502, 131936), (7688, 128744), (7744, 127813), (8246, 120032), (8512, 116281), (9196, 107632), (9424, 105028), (9548, 103664), (10571, 93632), (10912, 90706), (11704, 84568), (12958, 76384), (13376, 73997), (13454, 73568), (13552, 73036), (13888, 71269), (15004, 65968), (15376, 64372), (16093, 61504), (16492, 60016), (18259, 54208), (18392, 53816), (18848, 52514), (19096, 51832), (21142, 46816), (21824, 45353), (23408, 42284), (25916, 38192), (26257, 37696), (26908, 36784), (27104, 36518), (30008, 32984), (30752, 32186)]