681392

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1196

約数の個数: 20

約数和(自身を含む): 1357056

約数和(自身を除く): 675664

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1151, 2302, 4604, 9208, 18416, 42587, 85174, 170348, 340696, 681392]

約数ペア:

[(1, 681392), (2, 340696), (4, 170348), (8, 85174), (16, 42587), (37, 18416), (74, 9208), (148, 4604), (296, 2302), (592, 1151)]