68385616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328777}}^1$

素因数の和:328798

約数の個数: 20

約数和(自身を含む): 142689652

約数和(自身を除く): 74304036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328777, 657554, 1315108, 2630216, 4274101, 5260432, 8548202, 17096404, 34192808, 68385616]

約数ペア:

[(1, 68385616), (2, 34192808), (4, 17096404), (8, 8548202), (13, 5260432), (16, 4274101), (26, 2630216), (52, 1315108), (104, 657554), (208, 328777)]