664904723

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{87869}}^1$

素因数の和:87946

約数の個数: 16

約数和(自身を含む): 809809920

約数和(自身を除く): 144905197

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 87869, 615083, 2020987, 4129843, 14146909, 28908901, 94986389, 664904723]

約数ペア:

[(1, 664904723), (7, 94986389), (23, 28908901), (47, 14146909), (161, 4129843), (329, 2020987), (1081, 615083), (7567, 87869)]