81010028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4733}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 155085840

約数和(自身を除く): 74075812

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 4733, 8558, 9466, 17116, 18932, 52063, 104126, 208252, 1841137, 3682274, 7364548, 20252507, 40505014, 81010028]

約数ペア:

[(1, 81010028), (2, 40505014), (4, 20252507), (11, 7364548), (22, 3682274), (44, 1841137), (389, 208252), (778, 104126), (1556, 52063), (4279, 18932), (4733, 17116), (8558, 9466)]