1217293525

素因数分解:

$5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 1827445536

約数和(自身を除く): 610152011

約数列:

[1, 5, 7, 25, 35, 37, 49, 107, 175, 185, 245, 251, 259, 535, 749, 925, 1225, 1255, 1295, 1757, 1813, 2675, 3745, 3959, 5243, 6275, 6475, 8785, 9065, 9287, 12299, 18725, 19795, 26215, 26857, 27713, 43925, 45325, 46435, 61495, 65009, 98975, 131075, 134285, 138565, 187999, 193991, 232175, 307475, 325045, 455063, 671425, 692825, 939995, 969955, 993709, 1315993, 1625225, 2275315, 4699975, 4849775, 4968545, 6579965, 6955963, 11376575, 24842725, 32899825, 34779815, 48691741, 173899075, 243458705, 1217293525]

約数ペア:

[(1, 1217293525), (5, 243458705), (7, 173899075), (25, 48691741), (35, 34779815), (37, 32899825), (49, 24842725), (107, 11376575), (175, 6955963), (185, 6579965), (245, 4968545), (251, 4849775), (259, 4699975), (535, 2275315), (749, 1625225), (925, 1315993), (1225, 993709), (1255, 969955), (1295, 939995), (1757, 692825), (1813, 671425), (2675, 455063), (3745, 325045), (3959, 307475), (5243, 232175), (6275, 193991), (6475, 187999), (8785, 138565), (9065, 134285), (9287, 131075), (12299, 98975), (18725, 65009), (19795, 61495), (26215, 46435), (26857, 45325), (27713, 43925)]