131538810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337279}}^1$

素因数の和:337302

約数の個数: 32

約数和(自身を含む): 339978240

約数和(自身を除く): 208439430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 337279, 674558, 1011837, 1686395, 2023674, 3372790, 4384627, 5059185, 8769254, 10118370, 13153881, 21923135, 26307762, 43846270, 65769405, 131538810]

約数ペア:

[(1, 131538810), (2, 65769405), (3, 43846270), (5, 26307762), (6, 21923135), (10, 13153881), (13, 10118370), (15, 8769254), (26, 5059185), (30, 4384627), (39, 3372790), (65, 2023674), (78, 1686395), (130, 1011837), (195, 674558), (390, 337279)]