131980676

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{40189}}^1$

素因数の和:41014

約数の個数: 12

約数和(自身を含む): 231253260

約数和(自身を除く): 99272584

約数列:

[1, 2, 4, 821, 1642, 3284, 40189, 80378, 160756, 32995169, 65990338, 131980676]

約数ペア:

[(1, 131980676), (2, 65990338), (4, 32995169), (821, 160756), (1642, 80378), (3284, 40189)]