64581275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3217}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 88585104

約数和(自身を除く): 24003829

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 1825, 3217, 4015, 16085, 20075, 35387, 80425, 176935, 234841, 884675, 1174205, 2583251, 5871025, 12916255, 64581275]

約数ペア:

[(1, 64581275), (5, 12916255), (11, 5871025), (25, 2583251), (55, 1174205), (73, 884675), (275, 234841), (365, 176935), (803, 80425), (1825, 35387), (3217, 20075), (4015, 16085)]