131029168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{431017}}^1$

素因数の和:431044

約数の個数: 20

約数和(自身を含む): 267231160

約数和(自身を除く): 136201992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 431017, 862034, 1724068, 3448136, 6896272, 8189323, 16378646, 32757292, 65514584, 131029168]

約数ペア:

[(1, 131029168), (2, 65514584), (4, 32757292), (8, 16378646), (16, 8189323), (19, 6896272), (38, 3448136), (76, 1724068), (152, 862034), (304, 431017)]