12973025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 17498880

約数和(自身を除く): 4525855

約数列:

[1, 5, 13, 25, 65, 179, 223, 325, 895, 1115, 2327, 2899, 4475, 5575, 11635, 14495, 39917, 58175, 72475, 199585, 518921, 997925, 2594605, 12973025]

約数ペア:

[(1, 12973025), (5, 2594605), (13, 997925), (25, 518921), (65, 199585), (179, 72475), (223, 58175), (325, 39917), (895, 14495), (1115, 11635), (2327, 5575), (2899, 4475)]