639830024

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1859971}}^1$

素因数の和:1860020

約数の個数: 16

約数和(自身を含む): 1227581520

約数和(自身を除く): 587751496

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1859971, 3719942, 7439884, 14879768, 79978753, 159957506, 319915012, 639830024]

約数ペア:

[(1, 639830024), (2, 319915012), (4, 159957506), (8, 79978753), (43, 14879768), (86, 7439884), (172, 3719942), (344, 1859971)]