81545390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281191}}^1$

素因数の和:281227

約数の個数: 16

約数和(自身を含む): 151843680

約数和(自身を除く): 70298290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 281191, 562382, 1405955, 2811910, 8154539, 16309078, 40772695, 81545390]

約数ペア:

[(1, 81545390), (2, 40772695), (5, 16309078), (10, 8154539), (29, 2811910), (58, 1405955), (145, 562382), (290, 281191)]