208986239

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{1801}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 264591264

約数和(自身を除く): 55605025

約数列:

[1, 7, 11, 77, 121, 137, 847, 959, 1507, 1801, 10549, 12607, 16577, 19811, 116039, 138677, 217921, 246737, 1525447, 1727159, 2714107, 18998749, 29855177, 208986239]

約数ペア:

[(1, 208986239), (7, 29855177), (11, 18998749), (77, 2714107), (121, 1727159), (137, 1525447), (847, 246737), (959, 217921), (1507, 138677), (1801, 116039), (10549, 19811), (12607, 16577)]