28156163

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{977}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 33799680

約数和(自身を除く): 5643517

約数列:

[1, 7, 23, 161, 179, 977, 1253, 4117, 6839, 22471, 28819, 157297, 174883, 1224181, 4022309, 28156163]

約数ペア:

[(1, 28156163), (7, 4022309), (23, 1224181), (161, 174883), (179, 157297), (977, 28819), (1253, 22471), (4117, 6839)]