208736045

素因数分解:

$5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{11447}}^1$

素因数の和:11980

約数の個数: 16

約数和(自身を含む): 286841088

約数和(自身を除く): 78105043

約数列:

[1, 5, 7, 35, 521, 2605, 3647, 11447, 18235, 57235, 80129, 400645, 5963887, 29819435, 41747209, 208736045]

約数ペア:

[(1, 208736045), (5, 41747209), (7, 29819435), (35, 5963887), (521, 400645), (2605, 80129), (3647, 57235), (11447, 18235)]