28976395

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 40884048

約数和(自身を除く): 11907653

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 1171, 3535, 4949, 5855, 8197, 24745, 40985, 57379, 118271, 286895, 591355, 827897, 4139485, 5795279, 28976395]

約数ペア:

[(1, 28976395), (5, 5795279), (7, 4139485), (35, 827897), (49, 591355), (101, 286895), (245, 118271), (505, 57379), (707, 40985), (1171, 24745), (3535, 8197), (4949, 5855)]