81887338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{10259}}^1$

素因数の和:10581

約数の個数: 16

約数和(自身を含む): 132723360

約数和(自身を除く): 50836022

約数列:

[1, 2, 13, 26, 307, 614, 3991, 7982, 10259, 20518, 133367, 266734, 3149513, 6299026, 40943669, 81887338]

約数ペア:

[(1, 81887338), (2, 40943669), (13, 6299026), (26, 3149513), (307, 266734), (614, 133367), (3991, 20518), (7982, 10259)]