278446822

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{20939}}^1$

素因数の和:21111

約数の個数: 16

約数和(自身を含む): 428432400

約数和(自身を除く): 149985578

約数列:

[1, 2, 61, 109, 122, 218, 6649, 13298, 20939, 41878, 1277279, 2282351, 2554558, 4564702, 139223411, 278446822]

約数ペア:

[(1, 278446822), (2, 139223411), (61, 4564702), (109, 2554558), (122, 2282351), (218, 1277279), (6649, 41878), (13298, 20939)]