331333220

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{12541}}^1$

素因数の和:13871

約数の個数: 24

約数和(自身を含む): 696382008

約数和(自身を除く): 365048788

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 12541, 13210, 25082, 26420, 50164, 62705, 125410, 250820, 16566661, 33133322, 66266644, 82833305, 165666610, 331333220]

約数ペア:

[(1, 331333220), (2, 165666610), (4, 82833305), (5, 66266644), (10, 33133322), (20, 16566661), (1321, 250820), (2642, 125410), (5284, 62705), (6605, 50164), (12541, 26420), (13210, 25082)]