129557764

素因数分解:

$2^2\times 7^2\times {\mathrm{661009}}^1$

素因数の和:661027

約数の個数: 18

約数和(自身を含む): 263742990

約数和(自身を除く): 134185226

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 661009, 1322018, 2644036, 4627063, 9254126, 18508252, 32389441, 64778882, 129557764]

約数ペア:

[(1, 129557764), (2, 64778882), (4, 32389441), (7, 18508252), (14, 9254126), (28, 4627063), (49, 2644036), (98, 1322018), (196, 661009)]