1280785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 1771560

約数和(自身を除く): 490775

約数列:

[1, 5, 11, 29, 55, 73, 121, 145, 319, 365, 605, 803, 1595, 2117, 3509, 4015, 8833, 10585, 17545, 23287, 44165, 116435, 256157, 1280785]

約数ペア:

[(1, 1280785), (5, 256157), (11, 116435), (29, 44165), (55, 23287), (73, 17545), (121, 10585), (145, 8833), (319, 4015), (365, 3509), (605, 2117), (803, 1595)]