221750039

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 265692960

約数和(自身を除く): 43942921

約数列:

[1, 7, 49, 53, 103, 371, 721, 829, 2597, 5047, 5459, 5803, 38213, 40621, 43937, 85387, 267491, 307559, 597709, 2152913, 4183963, 4525511, 31678577, 221750039]

約数ペア:

[(1, 221750039), (7, 31678577), (49, 4525511), (53, 4183963), (103, 2152913), (371, 597709), (721, 307559), (829, 267491), (2597, 85387), (5047, 43937), (5459, 40621), (5803, 38213)]