251285808

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{577}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 668556416

約数和(自身を除く): 417270608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 211, 258, 344, 422, 516, 577, 633, 688, 844, 1032, 1154, 1266, 1688, 1731, 2064, 2308, 2532, 3376, 3462, 4616, 5064, 6924, 9073, 9232, 10128, 13848, 18146, 24811, 27219, 27696, 36292, 49622, 54438, 72584, 74433, 99244, 108876, 121747, 145168, 148866, 198488, 217752, 243494, 297732, 365241, 396976, 435504, 486988, 595464, 730482, 973976, 1190928, 1460964, 1947952, 2921928, 5235121, 5843856, 10470242, 15705363, 20940484, 31410726, 41880968, 62821452, 83761936, 125642904, 251285808]

約数ペア:

[(1, 251285808), (2, 125642904), (3, 83761936), (4, 62821452), (6, 41880968), (8, 31410726), (12, 20940484), (16, 15705363), (24, 10470242), (43, 5843856), (48, 5235121), (86, 2921928), (129, 1947952), (172, 1460964), (211, 1190928), (258, 973976), (344, 730482), (422, 595464), (516, 486988), (577, 435504), (633, 396976), (688, 365241), (844, 297732), (1032, 243494), (1154, 217752), (1266, 198488), (1688, 148866), (1731, 145168), (2064, 121747), (2308, 108876), (2532, 99244), (3376, 74433), (3462, 72584), (4616, 54438), (5064, 49622), (6924, 36292), (9073, 27696), (9232, 27219), (10128, 24811), (13848, 18146)]