81572894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{44189}}^1$

素因数の和:44275

約数の個数: 16

約数和(自身を含む): 133630560

約数和(自身を除く): 52057666

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 44189, 88378, 574457, 1148914, 3137419, 6274838, 40786447, 81572894]

約数ペア:

[(1, 81572894), (2, 40786447), (13, 6274838), (26, 3137419), (71, 1148914), (142, 574457), (923, 88378), (1846, 44189)]