400805666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{33529}}^1$

素因数の和:33713

約数の個数: 16

約数和(自身を含む): 619634400

約数和(自身を除く): 218828734

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 33529, 67058, 1441747, 2883494, 4660531, 9321062, 200402833, 400805666]

約数ペア:

[(1, 400805666), (2, 200402833), (43, 9321062), (86, 4660531), (139, 2883494), (278, 1441747), (5977, 67058), (11954, 33529)]