157220165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{63781}}^1$

素因数の和:63832

約数の個数: 16

約数和(自身を含む): 206653680

約数和(自身を除く): 49433515

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 63781, 318905, 1084277, 1849649, 5421385, 9248245, 31444033, 157220165]

約数ペア:

[(1, 157220165), (5, 31444033), (17, 9248245), (29, 5421385), (85, 1849649), (145, 1084277), (493, 318905), (2465, 63781)]