668312456

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{45377}}^1$

素因数の和:45653

約数の個数: 32

約数和(自身を含む): 1437575040

約数和(自身を除く): 769262584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 7364, 14728, 45377, 90754, 181508, 317639, 363016, 635278, 1270556, 2541112, 11934151, 23868302, 47736604, 83539057, 95473208, 167078114, 334156228, 668312456]

約数ペア:

[(1, 668312456), (2, 334156228), (4, 167078114), (7, 95473208), (8, 83539057), (14, 47736604), (28, 23868302), (56, 11934151), (263, 2541112), (526, 1270556), (1052, 635278), (1841, 363016), (2104, 317639), (3682, 181508), (7364, 90754), (14728, 45377)]