663485264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3189833}}^1$

素因数の和:3189854

約数の個数: 20

約数和(自身を含む): 1384387956

約数和(自身を除く): 720902692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3189833, 6379666, 12759332, 25518664, 41467829, 51037328, 82935658, 165871316, 331742632, 663485264]

約数ペア:

[(1, 663485264), (2, 331742632), (4, 165871316), (8, 82935658), (13, 51037328), (16, 41467829), (26, 25518664), (52, 12759332), (104, 6379666), (208, 3189833)]