28328447

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2633}}^1$

素因数の和:2722

約数の個数: 16

約数和(自身を含む): 34136640

約数和(自身を除く): 5808193

約数列:

[1, 7, 29, 53, 203, 371, 1537, 2633, 10759, 18431, 76357, 139549, 534499, 976843, 4046921, 28328447]

約数ペア:

[(1, 28328447), (7, 4046921), (29, 976843), (53, 534499), (203, 139549), (371, 76357), (1537, 18431), (2633, 10759)]