639108004

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{9161}}^1$

素因数の和:9435

約数の個数: 24

約数和(自身を含む): 1135941408

約数和(自身を除く): 496833404

約数列:

[1, 2, 4, 107, 163, 214, 326, 428, 652, 9161, 17441, 18322, 34882, 36644, 69764, 980227, 1493243, 1960454, 2986486, 3920908, 5972972, 159777001, 319554002, 639108004]

約数ペア:

[(1, 639108004), (2, 319554002), (4, 159777001), (107, 5972972), (163, 3920908), (214, 2986486), (326, 1960454), (428, 1493243), (652, 980227), (9161, 69764), (17441, 36644), (18322, 34882)]