28782355

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4051}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 41573520

約数和(自身を除く): 12791165

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 4051, 7105, 20255, 28357, 117479, 141785, 198499, 587395, 822353, 992495, 4111765, 5756471, 28782355]

約数ペア:

[(1, 28782355), (5, 5756471), (7, 4111765), (29, 992495), (35, 822353), (49, 587395), (145, 198499), (203, 141785), (245, 117479), (1015, 28357), (1421, 20255), (4051, 7105)]