81207026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{6961}}^1$

素因数の和:7289

約数の個数: 16

約数和(自身を含む): 128657760

約数和(自身を除く): 47450734

約数列:

[1, 2, 19, 38, 307, 614, 5833, 6961, 11666, 13922, 132259, 264518, 2137027, 4274054, 40603513, 81207026]

約数ペア:

[(1, 81207026), (2, 40603513), (19, 4274054), (38, 2137027), (307, 264518), (614, 132259), (5833, 13922), (6961, 11666)]