28609385

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6869}}^1$

素因数の和:6905

約数の個数: 24

約数和(自身を含む): 42291720

約数和(自身を除く): 13682335

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 6869, 34345, 48083, 116773, 240415, 336581, 583865, 817411, 1682905, 4087055, 5721877, 28609385]

約数ペア:

[(1, 28609385), (5, 5721877), (7, 4087055), (17, 1682905), (35, 817411), (49, 583865), (85, 336581), (119, 240415), (245, 116773), (595, 48083), (833, 34345), (4165, 6869)]