90640837

素因数分解:

$7^3\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 106128000

約数和(自身を除く): 15487163

約数列:

[1, 7, 49, 343, 401, 659, 2807, 4613, 19649, 32291, 137543, 226037, 264259, 1849813, 12948691, 90640837]

約数ペア:

[(1, 90640837), (7, 12948691), (49, 1849813), (343, 264259), (401, 226037), (659, 137543), (2807, 32291), (4613, 19649)]