81241190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{188933}}^1$

素因数の和:188983

約数の個数: 16

約数和(自身を含む): 149635728

約数和(自身を除く): 68394538

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 188933, 377866, 944665, 1889330, 8124119, 16248238, 40620595, 81241190]

約数ペア:

[(1, 81241190), (2, 40620595), (5, 16248238), (10, 8124119), (43, 1889330), (86, 944665), (215, 377866), (430, 188933)]