81398044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223621}}^1$

素因数の和:223645

約数の個数: 24

約数和(自身を含む): 175319648

約数和(自身を除く): 93921604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 223621, 447242, 894484, 1565347, 2907073, 3130694, 5814146, 6261388, 11628292, 20349511, 40699022, 81398044]

約数ペア:

[(1, 81398044), (2, 40699022), (4, 20349511), (7, 11628292), (13, 6261388), (14, 5814146), (26, 3130694), (28, 2907073), (52, 1565347), (91, 894484), (182, 447242), (364, 223621)]