209664389

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 241762752

約数和(自身を除く): 32098363

約数列:

[1, 11, 23, 137, 253, 263, 529, 1507, 2893, 3151, 5819, 6049, 34661, 36031, 66539, 72473, 139127, 396341, 797203, 828713, 1530397, 9115843, 19060399, 209664389]

約数ペア:

[(1, 209664389), (11, 19060399), (23, 9115843), (137, 1530397), (253, 828713), (263, 797203), (529, 396341), (1507, 139127), (2893, 72473), (3151, 66539), (5819, 36031), (6049, 34661)]