28356475

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5275

約数の個数: 24

約数和(自身を含む): 41489408

約数和(自身を除く): 13132933

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5227, 5425, 26135, 36589, 130675, 162037, 182945, 810185, 914725, 1134259, 4050925, 5671295, 28356475]

約数ペア:

[(1, 28356475), (5, 5671295), (7, 4050925), (25, 1134259), (31, 914725), (35, 810185), (155, 182945), (175, 162037), (217, 130675), (775, 36589), (1085, 26135), (5227, 5425)]