78390319

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3847}}^1$

素因数の和:3966

約数の個数: 16

約数和(自身を含む): 93090816

約数和(自身を除く): 14700497

約数列:

[1, 7, 41, 71, 287, 497, 2911, 3847, 20377, 26929, 157727, 273137, 1104089, 1911959, 11198617, 78390319]

約数ペア:

[(1, 78390319), (7, 11198617), (41, 1911959), (71, 1104089), (287, 273137), (497, 157727), (2911, 26929), (3847, 20377)]