81374605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{1667}}^1$

素因数の和:2436

約数の個数: 16

約数和(自身を含む): 105364224

約数和(自身を除く): 23989619

約数列:

[1, 5, 13, 65, 751, 1667, 3755, 8335, 9763, 21671, 48815, 108355, 1251917, 6259585, 16274921, 81374605]

約数ペア:

[(1, 81374605), (5, 16274921), (13, 6259585), (65, 1251917), (751, 108355), (1667, 48815), (3755, 21671), (8335, 9763)]