253856512

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 661372992

約数和(自身を除く): 407516480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 256, 272, 364, 416, 442, 448, 476, 544, 641, 728, 832, 884, 896, 952, 1088, 1282, 1456, 1547, 1664, 1768, 1792, 1904, 2176, 2564, 2912, 3094, 3328, 3536, 3808, 4352, 4487, 5128, 5824, 6188, 7072, 7616, 8333, 8974, 10256, 10897, 11648, 12376, 14144, 15232, 16666, 17948, 20512, 21794, 23296, 24752, 28288, 30464, 33332, 35896, 41024, 43588, 49504, 56576, 58331, 66664, 71792, 76279, 82048, 87176, 99008, 116662, 133328, 141661, 143584, 152558, 164096, 174352, 198016, 233324, 266656, 283322, 287168, 305116, 348704, 396032, 466648, 533312, 566644, 574336, 610232, 697408, 933296, 991627, 1066624, 1133288, 1148672, 1220464, 1394816, 1866592, 1983254, 2133248, 2266576, 2440928, 2789632, 3733184, 3966508, 4533152, 4881856, 7466368, 7933016, 9066304, 9763712, 14932736, 15866032, 18132608, 19527424, 31732064, 36265216, 63464128, 126928256, 253856512]

約数ペア:

[(1, 253856512), (2, 126928256), (4, 63464128), (7, 36265216), (8, 31732064), (13, 19527424), (14, 18132608), (16, 15866032), (17, 14932736), (26, 9763712), (28, 9066304), (32, 7933016), (34, 7466368), (52, 4881856), (56, 4533152), (64, 3966508), (68, 3733184), (91, 2789632), (104, 2440928), (112, 2266576), (119, 2133248), (128, 1983254), (136, 1866592), (182, 1394816), (208, 1220464), (221, 1148672), (224, 1133288), (238, 1066624), (256, 991627), (272, 933296), (364, 697408), (416, 610232), (442, 574336), (448, 566644), (476, 533312), (544, 466648), (641, 396032), (728, 348704), (832, 305116), (884, 287168), (896, 283322), (952, 266656), (1088, 233324), (1282, 198016), (1456, 174352), (1547, 164096), (1664, 152558), (1768, 143584), (1792, 141661), (1904, 133328), (2176, 116662), (2564, 99008), (2912, 87176), (3094, 82048), (3328, 76279), (3536, 71792), (3808, 66664), (4352, 58331), (4487, 56576), (5128, 49504), (5824, 43588), (6188, 41024), (7072, 35896), (7616, 33332), (8333, 30464), (8974, 28288), (10256, 24752), (10897, 23296), (11648, 21794), (12376, 20512), (14144, 17948), (15232, 16666)]