81910426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{29443}}^1$

素因数の和:29565

約数の個数: 16

約数和(自身を含む): 133557984

約数和(自身を除く): 51647558

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 29443, 58886, 382759, 765518, 3150401, 6300802, 40955213, 81910426]

約数ペア:

[(1, 81910426), (2, 40955213), (13, 6300802), (26, 3150401), (107, 765518), (214, 382759), (1391, 58886), (2782, 29443)]