78215290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{190769}}^1$

素因数の和:190817

約数の個数: 16

約数和(自身を含む): 144222120

約数和(自身を除く): 66006830

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 190769, 381538, 953845, 1907690, 7821529, 15643058, 39107645, 78215290]

約数ペア:

[(1, 78215290), (2, 39107645), (5, 15643058), (10, 7821529), (41, 1907690), (82, 953845), (205, 381538), (410, 190769)]