66109825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{85303}}^1$

素因数の和:85344

約数の個数: 12

約数和(自身を含む): 84621568

約数和(自身を除く): 18511743

約数列:

[1, 5, 25, 31, 155, 775, 85303, 426515, 2132575, 2644393, 13221965, 66109825]

約数ペア:

[(1, 66109825), (5, 13221965), (25, 2644393), (31, 2132575), (155, 426515), (775, 85303)]