128212855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{13103}}^1$

素因数の和:13230

約数の個数: 16

約数和(自身を含む): 163537920

約数和(自身を除く): 35325065

約数列:

[1, 5, 19, 95, 103, 515, 1957, 9785, 13103, 65515, 248957, 1244785, 1349609, 6748045, 25642571, 128212855]

約数ペア:

[(1, 128212855), (5, 25642571), (19, 6748045), (95, 1349609), (103, 1244785), (515, 248957), (1957, 65515), (9785, 13103)]