1089985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 1446480

約数和(自身を除く): 356495

約数列:

[1, 5, 13, 41, 65, 205, 409, 533, 2045, 2665, 5317, 16769, 26585, 83845, 217997, 1089985]

約数ペア:

[(1, 1089985), (5, 217997), (13, 83845), (41, 26585), (65, 16769), (205, 5317), (409, 2665), (533, 2045)]