214490887

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 252172256

約数和(自身を除く): 37681369

約数列:

[1, 13, 17, 37, 221, 289, 481, 629, 1543, 3757, 8177, 10693, 20059, 26231, 57091, 139009, 341003, 445927, 742183, 970547, 5797051, 12617111, 16499299, 214490887]

約数ペア:

[(1, 214490887), (13, 16499299), (17, 12617111), (37, 5797051), (221, 970547), (289, 742183), (481, 445927), (629, 341003), (1543, 139009), (3757, 57091), (8177, 26231), (10693, 20059)]