64571375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 88777728

約数和(自身を除く): 24206353

約数列:

[1, 5, 11, 25, 55, 125, 151, 275, 311, 755, 1375, 1555, 1661, 3421, 3775, 7775, 8305, 17105, 18875, 38875, 41525, 46961, 85525, 207625, 234805, 427625, 516571, 1174025, 2582855, 5870125, 12914275, 64571375]

約数ペア:

[(1, 64571375), (5, 12914275), (11, 5870125), (25, 2582855), (55, 1174025), (125, 516571), (151, 427625), (275, 234805), (311, 207625), (755, 85525), (1375, 46961), (1555, 41525), (1661, 38875), (3421, 18875), (3775, 17105), (7775, 8305)]