71816368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{345271}}^1$

素因数の和:345292

約数の個数: 20

約数和(自身を含む): 149848048

約数和(自身を除く): 78031680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 345271, 690542, 1381084, 2762168, 4488523, 5524336, 8977046, 17954092, 35908184, 71816368]

約数ペア:

[(1, 71816368), (2, 35908184), (4, 17954092), (8, 8977046), (13, 5524336), (16, 4488523), (26, 2762168), (52, 1381084), (104, 690542), (208, 345271)]