211909724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{57397}}^1$

素因数の和:57485

約数の個数: 24

約数和(自身を含む): 405000288

約数和(自身を除く): 193090564

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 57397, 114794, 229588, 746161, 1492322, 2984644, 4075187, 8150374, 16300748, 52977431, 105954862, 211909724]

約数ペア:

[(1, 211909724), (2, 105954862), (4, 52977431), (13, 16300748), (26, 8150374), (52, 4075187), (71, 2984644), (142, 1492322), (284, 746161), (923, 229588), (1846, 114794), (3692, 57397)]