81187018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{11149}}^1$

素因数の和:11493

約数の個数: 16

約数和(自身を含む): 133264800

約数和(自身を除く): 52077782

約数列:

[1, 2, 11, 22, 331, 662, 3641, 7282, 11149, 22298, 122639, 245278, 3690319, 7380638, 40593509, 81187018]

約数ペア:

[(1, 81187018), (2, 40593509), (11, 7380638), (22, 3690319), (331, 245278), (662, 122639), (3641, 22298), (7282, 11149)]