1220709745

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{26249}}^1$

素因数の和:26456

約数の個数: 16

約数和(自身を含む): 1496880000

約数和(自身を除く): 276170255

約数列:

[1, 5, 71, 131, 355, 655, 9301, 26249, 46505, 131245, 1863679, 3438619, 9318395, 17193095, 244141949, 1220709745]

約数ペア:

[(1, 1220709745), (5, 244141949), (71, 17193095), (131, 9318395), (355, 3438619), (655, 1863679), (9301, 131245), (26249, 46505)]