987606928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1437

約数の個数: 160

約数和(自身を含む): 2594119680

約数和(自身を除く): 1606512752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 31, 38, 44, 56, 62, 76, 77, 88, 112, 124, 133, 152, 154, 176, 209, 217, 248, 266, 304, 308, 341, 418, 434, 496, 532, 589, 616, 682, 836, 868, 1064, 1178, 1232, 1361, 1364, 1463, 1672, 1736, 2128, 2356, 2387, 2722, 2728, 2926, 3344, 3472, 4123, 4712, 4774, 5444, 5456, 5852, 6479, 8246, 9424, 9527, 9548, 10888, 11704, 12958, 14971, 16492, 19054, 19096, 21776, 23408, 25859, 25916, 29942, 32984, 38108, 38192, 42191, 45353, 51718, 51832, 59884, 65968, 76216, 84382, 90706, 103436, 103664, 104797, 119768, 152432, 168764, 181013, 181412, 206872, 209594, 239536, 284449, 295337, 337528, 362026, 362824, 413744, 419188, 464101, 568898, 590674, 675056, 724052, 725648, 801629, 838376, 928202, 1137796, 1181348, 1448104, 1603258, 1676752, 1856404, 1991143, 2275592, 2362696, 2896208, 3206516, 3248707, 3712808, 3982286, 4551184, 4725392, 5611403, 6413032, 6497414, 7425616, 7964572, 8817919, 11222806, 12826064, 12994828, 15929144, 17635838, 22445612, 25989656, 31858288, 35271676, 44891224, 51979312, 61725433, 70543352, 89782448, 123450866, 141086704, 246901732, 493803464, 987606928]

約数ペア:

[(1, 987606928), (2, 493803464), (4, 246901732), (7, 141086704), (8, 123450866), (11, 89782448), (14, 70543352), (16, 61725433), (19, 51979312), (22, 44891224), (28, 35271676), (31, 31858288), (38, 25989656), (44, 22445612), (56, 17635838), (62, 15929144), (76, 12994828), (77, 12826064), (88, 11222806), (112, 8817919), (124, 7964572), (133, 7425616), (152, 6497414), (154, 6413032), (176, 5611403), (209, 4725392), (217, 4551184), (248, 3982286), (266, 3712808), (304, 3248707), (308, 3206516), (341, 2896208), (418, 2362696), (434, 2275592), (496, 1991143), (532, 1856404), (589, 1676752), (616, 1603258), (682, 1448104), (836, 1181348), (868, 1137796), (1064, 928202), (1178, 838376), (1232, 801629), (1361, 725648), (1364, 724052), (1463, 675056), (1672, 590674), (1736, 568898), (2128, 464101), (2356, 419188), (2387, 413744), (2722, 362824), (2728, 362026), (2926, 337528), (3344, 295337), (3472, 284449), (4123, 239536), (4712, 209594), (4774, 206872), (5444, 181412), (5456, 181013), (5852, 168764), (6479, 152432), (8246, 119768), (9424, 104797), (9527, 103664), (9548, 103436), (10888, 90706), (11704, 84382), (12958, 76216), (14971, 65968), (16492, 59884), (19054, 51832), (19096, 51718), (21776, 45353), (23408, 42191), (25859, 38192), (25916, 38108), (29942, 32984)]