634604875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 821583360

約数和(自身を除く): 186978485

約数列:

[1, 5, 25, 31, 125, 155, 389, 421, 775, 1945, 2105, 3875, 9725, 10525, 12059, 13051, 48625, 52625, 60295, 65255, 163769, 301475, 326275, 818845, 1507375, 1631375, 4094225, 5076839, 20471125, 25384195, 126920975, 634604875]

約数ペア:

[(1, 634604875), (5, 126920975), (25, 25384195), (31, 20471125), (125, 5076839), (155, 4094225), (389, 1631375), (421, 1507375), (775, 818845), (1945, 326275), (2105, 301475), (3875, 163769), (9725, 65255), (10525, 60295), (12059, 52625), (13051, 48625)]