209388664

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{72503}}^1$

素因数の和:72547

約数の個数: 24

約数和(自身を含む): 414360360

約数和(自身を除く): 204971696

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 72503, 145006, 290012, 580024, 1377557, 2755114, 5510228, 11020456, 26173583, 52347166, 104694332, 209388664]

約数ペア:

[(1, 209388664), (2, 104694332), (4, 52347166), (8, 26173583), (19, 11020456), (38, 5510228), (76, 2755114), (152, 1377557), (361, 580024), (722, 290012), (1444, 145006), (2888, 72503)]