13256375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 18690048

約数和(自身を除く): 5433673

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 311, 341, 775, 1375, 1555, 1705, 3421, 3875, 7775, 8525, 9641, 17105, 38875, 42625, 48205, 85525, 106051, 241025, 427625, 530255, 1205125, 2651275, 13256375]

約数ペア:

[(1, 13256375), (5, 2651275), (11, 1205125), (25, 530255), (31, 427625), (55, 241025), (125, 106051), (155, 85525), (275, 48205), (311, 42625), (341, 38875), (775, 17105), (1375, 9641), (1555, 8525), (1705, 7775), (3421, 3875)]