129423978

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{80789}}^1$

素因数の和:80886

約数の個数: 24

約数和(自身を含む): 283572900

約数和(自身を除く): 154148922

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 80789, 161578, 242367, 484734, 727101, 1454202, 7190221, 14380442, 21570663, 43141326, 64711989, 129423978]

約数ペア:

[(1, 129423978), (2, 64711989), (3, 43141326), (6, 21570663), (9, 14380442), (18, 7190221), (89, 1454202), (178, 727101), (267, 484734), (534, 242367), (801, 161578), (1602, 80789)]