28393475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{463}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 38664192

約数和(自身を除く): 10270717

約数列:

[1, 5, 11, 25, 55, 223, 275, 463, 1115, 2315, 2453, 5093, 5575, 11575, 12265, 25465, 61325, 103249, 127325, 516245, 1135739, 2581225, 5678695, 28393475]

約数ペア:

[(1, 28393475), (5, 5678695), (11, 2581225), (25, 1135739), (55, 516245), (223, 127325), (275, 103249), (463, 61325), (1115, 25465), (2315, 12265), (2453, 11575), (5093, 5575)]