20151216

素因数分解:

$2^4\times 3^2\times {\mathrm{139939}}^1$

素因数の和:139953

約数の個数: 30

約数和(自身を含む): 56395820

約数和(自身を除く): 36244604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 139939, 279878, 419817, 559756, 839634, 1119512, 1259451, 1679268, 2239024, 2518902, 3358536, 5037804, 6717072, 10075608, 20151216]

約数ペア:

[(1, 20151216), (2, 10075608), (3, 6717072), (4, 5037804), (6, 3358536), (8, 2518902), (9, 2239024), (12, 1679268), (16, 1259451), (18, 1119512), (24, 839634), (36, 559756), (48, 419817), (72, 279878), (144, 139939)]