279389638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{208189}}^1$

素因数の和:208263

約数の個数: 16

約数和(自身を含む): 464680080

約数和(自身を除く): 185290442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 208189, 416378, 2290079, 4580158, 12699529, 25399058, 139694819, 279389638]

約数ペア:

[(1, 279389638), (2, 139694819), (11, 25399058), (22, 12699529), (61, 4580158), (122, 2290079), (671, 416378), (1342, 208189)]