66885325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1571}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 90056736

約数和(自身を除く): 23171411

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1571, 1703, 3275, 7855, 8515, 20423, 39275, 42575, 102115, 205801, 510575, 1029005, 2675413, 5145025, 13377065, 66885325]

約数ペア:

[(1, 66885325), (5, 13377065), (13, 5145025), (25, 2675413), (65, 1029005), (131, 510575), (325, 205801), (655, 102115), (1571, 42575), (1703, 39275), (3275, 20423), (7855, 8515)]