201991320016

素因数分解:

$2^4\times {\mathrm{8233}}^1\times {\mathrm{1533397}}^1$

素因数の和:1541638

約数の個数: 20

約数和(自身を含む): 391405973092

約数和(自身を除く): 189414653076

約数列:

[1, 2, 4, 8, 16, 8233, 16466, 32932, 65864, 131728, 1533397, 3066794, 6133588, 12267176, 24534352, 12624457501, 25248915002, 50497830004, 100995660008, 201991320016]

約数ペア:

[(1, 201991320016), (2, 100995660008), (4, 50497830004), (8, 25248915002), (16, 12624457501), (8233, 24534352), (16466, 12267176), (32932, 6133588), (65864, 3066794), (131728, 1533397)]