128590012

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{231277}}^1$

素因数の和:231420

約数の個数: 12

約数和(自身を含む): 226652440

約数和(自身を除く): 98062428

約数列:

[1, 2, 4, 139, 278, 556, 231277, 462554, 925108, 32147503, 64295006, 128590012]

約数ペア:

[(1, 128590012), (2, 64295006), (4, 32147503), (139, 925108), (278, 462554), (556, 231277)]