67454725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 98899920

約数和(自身を除く): 31445195

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 221, 325, 377, 421, 425, 493, 725, 1105, 1885, 2105, 2465, 5473, 5525, 6409, 7157, 9425, 10525, 12209, 12325, 27365, 32045, 35785, 61045, 93041, 136825, 158717, 160225, 178925, 207553, 305225, 465205, 793585, 1037765, 2326025, 2698189, 3967925, 5188825, 13490945, 67454725]

約数ペア:

[(1, 67454725), (5, 13490945), (13, 5188825), (17, 3967925), (25, 2698189), (29, 2326025), (65, 1037765), (85, 793585), (145, 465205), (221, 305225), (325, 207553), (377, 178925), (421, 160225), (425, 158717), (493, 136825), (725, 93041), (1105, 61045), (1885, 35785), (2105, 32045), (2465, 27365), (5473, 12325), (5525, 12209), (6409, 10525), (7157, 9425)]