1688894216

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{631}}^1\times {\mathrm{2131}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 3193394880

約数和(自身を除く): 1504500664

約数列:

[1, 2, 4, 8, 157, 314, 628, 631, 1256, 1262, 2131, 2524, 4262, 5048, 8524, 17048, 99067, 198134, 334567, 396268, 669134, 792536, 1338268, 1344661, 2676536, 2689322, 5378644, 10757288, 211111777, 422223554, 844447108, 1688894216]

約数ペア:

[(1, 1688894216), (2, 844447108), (4, 422223554), (8, 211111777), (157, 10757288), (314, 5378644), (628, 2689322), (631, 2676536), (1256, 1344661), (1262, 1338268), (2131, 792536), (2524, 669134), (4262, 396268), (5048, 334567), (8524, 198134), (17048, 99067)]