278646724

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{21817}}^1$

素因数の和:21955

約数の個数: 24

約数和(自身を含む): 508272128

約数和(自身を除く): 229625404

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 3193, 6386, 12772, 21817, 43634, 87268, 676327, 1352654, 2247151, 2705308, 4494302, 8988604, 69661681, 139323362, 278646724]

約数ペア:

[(1, 278646724), (2, 139323362), (4, 69661681), (31, 8988604), (62, 4494302), (103, 2705308), (124, 2247151), (206, 1352654), (412, 676327), (3193, 87268), (6386, 43634), (12772, 21817)]