12515965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 8220035

約数列:

[1, 5, 7, 11, 19, 29, 35, 55, 59, 77, 95, 133, 145, 203, 209, 295, 319, 385, 413, 551, 649, 665, 1015, 1045, 1121, 1463, 1595, 1711, 2065, 2233, 2755, 3245, 3857, 4543, 5605, 6061, 7315, 7847, 8555, 11165, 11977, 12331, 18821, 19285, 22715, 30305, 32509, 39235, 42427, 59885, 61655, 86317, 94105, 131747, 162545, 212135, 227563, 357599, 431585, 658735, 1137815, 1787995, 2503193, 12515965]

約数ペア:

[(1, 12515965), (5, 2503193), (7, 1787995), (11, 1137815), (19, 658735), (29, 431585), (35, 357599), (55, 227563), (59, 212135), (77, 162545), (95, 131747), (133, 94105), (145, 86317), (203, 61655), (209, 59885), (295, 42427), (319, 39235), (385, 32509), (413, 30305), (551, 22715), (649, 19285), (665, 18821), (1015, 12331), (1045, 11977), (1121, 11165), (1463, 8555), (1595, 7847), (1711, 7315), (2065, 6061), (2233, 5605), (2755, 4543), (3245, 3857)]