68415152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328919}}^1$

素因数の和:328940

約数の個数: 20

約数和(自身を含む): 142751280

約数和(自身を除く): 74336128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328919, 657838, 1315676, 2631352, 4275947, 5262704, 8551894, 17103788, 34207576, 68415152]

約数ペア:

[(1, 68415152), (2, 34207576), (4, 17103788), (8, 8551894), (13, 5262704), (16, 4275947), (26, 2631352), (52, 1315676), (104, 657838), (208, 328919)]