28015370

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{14221}}^1$

素因数の和:14425

約数の個数: 16

約数和(自身を含む): 50687208

約数和(自身を除く): 22671838

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 14221, 28442, 71105, 142210, 2801537, 5603074, 14007685, 28015370]

約数ペア:

[(1, 28015370), (2, 14007685), (5, 5603074), (10, 2801537), (197, 142210), (394, 71105), (985, 28442), (1970, 14221)]