639881614

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{56417}}^1$

素因数の和:56579

約数の個数: 16

約数和(自身を含む): 987089328

約数和(自身を除く): 347207714

約数列:

[1, 2, 53, 106, 107, 214, 5671, 11342, 56417, 112834, 2990101, 5980202, 6036619, 12073238, 319940807, 639881614]

約数ペア:

[(1, 639881614), (2, 319940807), (53, 12073238), (106, 6036619), (107, 5980202), (214, 2990101), (5671, 112834), (11342, 56417)]