81369764

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{6359}}^1$

素因数の和:6827

約数の個数: 24

約数和(自身を含む): 163121280

約数和(自身を除く): 81751516

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1828, 3199, 6359, 6398, 12718, 12796, 25436, 44513, 89026, 178052, 2906063, 5812126, 11624252, 20342441, 40684882, 81369764]

約数ペア:

[(1, 81369764), (2, 40684882), (4, 20342441), (7, 11624252), (14, 5812126), (28, 2906063), (457, 178052), (914, 89026), (1828, 44513), (3199, 25436), (6359, 12796), (6398, 12718)]