78990785

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{7817}}^1$

素因数の和:7912

約数の個数: 16

約数和(自身を含む): 99069696

約数和(自身を除く): 20078911

約数列:

[1, 5, 43, 47, 215, 235, 2021, 7817, 10105, 39085, 336131, 367399, 1680655, 1836995, 15798157, 78990785]

約数ペア:

[(1, 78990785), (5, 15798157), (43, 1836995), (47, 1680655), (215, 367399), (235, 336131), (2021, 39085), (7817, 10105)]