856615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1105920

約数和(自身を除く): 249305

約数列:

[1, 5, 19, 71, 95, 127, 355, 635, 1349, 2413, 6745, 9017, 12065, 45085, 171323, 856615]

約数ペア:

[(1, 856615), (5, 171323), (19, 45085), (71, 12065), (95, 9017), (127, 6745), (355, 2413), (635, 1349)]