291209105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1459}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 403660800

約数和(自身を除く): 112451695

約数列:

[1, 5, 11, 19, 55, 95, 191, 209, 955, 1045, 1459, 2101, 3629, 7295, 10505, 16049, 18145, 27721, 39919, 80245, 138605, 199595, 278669, 304931, 1393345, 1524655, 3065359, 5294711, 15326795, 26473555, 58241821, 291209105]

約数ペア:

[(1, 291209105), (5, 58241821), (11, 26473555), (19, 15326795), (55, 5294711), (95, 3065359), (191, 1524655), (209, 1393345), (955, 304931), (1045, 278669), (1459, 199595), (2101, 138605), (3629, 80245), (7295, 39919), (10505, 27721), (16049, 18145)]