28107475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 10193645

約数列:

[1, 5, 11, 25, 55, 179, 275, 571, 895, 1969, 2855, 4475, 6281, 9845, 14275, 31405, 49225, 102209, 157025, 511045, 1124299, 2555225, 5621495, 28107475]

約数ペア:

[(1, 28107475), (5, 5621495), (11, 2555225), (25, 1124299), (55, 511045), (179, 157025), (275, 102209), (571, 49225), (895, 31405), (1969, 14275), (2855, 9845), (4475, 6281)]