221404442

素因数分解:

$2^1\times 7^3\times {\mathrm{322747}}^1$

素因数の和:322770

約数の個数: 16

約数和(自身を含む): 387297600

約数和(自身を除く): 165893158

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 322747, 645494, 2259229, 4518458, 15814603, 31629206, 110702221, 221404442]

約数ペア:

[(1, 221404442), (2, 110702221), (7, 31629206), (14, 15814603), (49, 4518458), (98, 2259229), (343, 645494), (686, 322747)]