7888909130

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1226891}}^1$

素因数の和:1227541

約数の個数: 16

約数和(自身を含む): 14222132064

約数和(自身を除く): 6333222934

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 1226891, 2453782, 6134455, 12268910, 788890913, 1577781826, 3944454565, 7888909130]

約数ペア:

[(1, 7888909130), (2, 3944454565), (5, 1577781826), (10, 788890913), (643, 12268910), (1286, 6134455), (3215, 2453782), (6430, 1226891)]