221387617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{2557}}^1$

素因数の和:3048

約数の個数: 16

約数和(自身を含む): 256372992

約数和(自身を除く): 34985375

約数列:

[1, 11, 17, 187, 463, 2557, 5093, 7871, 28127, 43469, 86581, 478159, 1183891, 13022801, 20126147, 221387617]

約数ペア:

[(1, 221387617), (11, 20126147), (17, 13022801), (187, 1183891), (463, 478159), (2557, 86581), (5093, 43469), (7871, 28127)]