87021938

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{2803}}^1$

素因数の和:2886

約数の個数: 24

約数和(自身を含む): 141018768

約数和(自身を除く): 53996830

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1634, 2803, 5606, 15523, 31046, 53257, 106514, 120529, 241058, 1011883, 2023766, 2290051, 4580102, 43510969, 87021938]

約数ペア:

[(1, 87021938), (2, 43510969), (19, 4580102), (38, 2290051), (43, 2023766), (86, 1011883), (361, 241058), (722, 120529), (817, 106514), (1634, 53257), (2803, 31046), (5606, 15523)]