28520569

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{631}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 35675136

約数和(自身を除く): 7154567

約数列:

[1, 7, 11, 77, 587, 631, 4109, 4417, 6457, 6941, 45199, 48587, 370397, 2592779, 4074367, 28520569]

約数ペア:

[(1, 28520569), (7, 4074367), (11, 2592779), (77, 370397), (587, 48587), (631, 45199), (4109, 6941), (4417, 6457)]