28126105

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{587}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 39711168

約数和(自身を除く): 11585063

約数列:

[1, 5, 7, 35, 37, 185, 259, 587, 1295, 1369, 2935, 4109, 6845, 9583, 20545, 21719, 47915, 108595, 152033, 760165, 803603, 4018015, 5625221, 28126105]

約数ペア:

[(1, 28126105), (5, 5625221), (7, 4018015), (35, 803603), (37, 760165), (185, 152033), (259, 108595), (587, 47915), (1295, 21719), (1369, 20545), (2935, 9583), (4109, 6845)]