66836848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321331}}^1$

素因数の和:321352

約数の個数: 20

約数和(自身を含む): 139458088

約数和(自身を除く): 72621240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321331, 642662, 1285324, 2570648, 4177303, 5141296, 8354606, 16709212, 33418424, 66836848]

約数ペア:

[(1, 66836848), (2, 33418424), (4, 16709212), (8, 8354606), (13, 5141296), (16, 4177303), (26, 2570648), (52, 1285324), (104, 642662), (208, 321331)]