28215513910

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4941421}}^1$

素因数の和:4941999

約数の個数: 16

約数和(自身を含む): 50876880912

約数和(自身を除く): 22661367002

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 5710, 4941421, 9882842, 24707105, 49414210, 2821551391, 5643102782, 14107756955, 28215513910]

約数ペア:

[(1, 28215513910), (2, 14107756955), (5, 5643102782), (10, 2821551391), (571, 49414210), (1142, 24707105), (2855, 9882842), (5710, 4941421)]