68568656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{329657}}^1$

素因数の和:329678

約数の個数: 20

約数和(自身を含む): 143071572

約数和(自身を除く): 74502916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 329657, 659314, 1318628, 2637256, 4285541, 5274512, 8571082, 17142164, 34284328, 68568656]

約数ペア:

[(1, 68568656), (2, 34284328), (4, 17142164), (8, 8571082), (13, 5274512), (16, 4285541), (26, 2637256), (52, 1318628), (104, 659314), (208, 329657)]