648457130

素因数分解:

$2^1\times 5^1\times {\mathrm{15667}}^1\times {\mathrm{4139}}^1$

素因数の和:19813

約数の個数: 16

約数和(自身を含む): 1167579360

約数和(自身を除く): 519122230

約数列:

[1, 2, 5, 10, 4139, 8278, 15667, 20695, 31334, 41390, 78335, 156670, 64845713, 129691426, 324228565, 648457130]

約数ペア:

[(1, 648457130), (2, 324228565), (5, 129691426), (10, 64845713), (4139, 156670), (8278, 78335), (15667, 41390), (20695, 31334)]