127908016

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{79151}}^1$

素因数の和:79260

約数の個数: 20

約数和(自身を含む): 250278624

約数和(自身を除く): 122370608

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 79151, 158302, 316604, 633208, 1266416, 7994251, 15988502, 31977004, 63954008, 127908016]

約数ペア:

[(1, 127908016), (2, 63954008), (4, 31977004), (8, 15988502), (16, 7994251), (101, 1266416), (202, 633208), (404, 316604), (808, 158302), (1616, 79151)]