56521985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 75866112

約数和(自身を除く): 19344127

約数列:

[1, 5, 13, 41, 65, 127, 167, 205, 533, 635, 835, 1651, 2171, 2665, 5207, 6847, 8255, 10855, 21209, 26035, 34235, 67691, 89011, 106045, 275717, 338455, 445055, 869569, 1378585, 4347845, 11304397, 56521985]

約数ペア:

[(1, 56521985), (5, 11304397), (13, 4347845), (41, 1378585), (65, 869569), (127, 445055), (167, 338455), (205, 275717), (533, 106045), (635, 89011), (835, 67691), (1651, 34235), (2171, 26035), (2665, 21209), (5207, 10855), (6847, 8255)]