31815216

素因数分解:

$2^4\times 3^2\times {\mathrm{220939}}^1$

素因数の和:220953

約数の個数: 30

約数和(自身を含む): 89038820

約数和(自身を除く): 57223604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 220939, 441878, 662817, 883756, 1325634, 1767512, 1988451, 2651268, 3535024, 3976902, 5302536, 7953804, 10605072, 15907608, 31815216]

約数ペア:

[(1, 31815216), (2, 15907608), (3, 10605072), (4, 7953804), (6, 5302536), (8, 3976902), (9, 3535024), (12, 2651268), (16, 1988451), (18, 1767512), (24, 1325634), (36, 883756), (48, 662817), (72, 441878), (144, 220939)]