81428438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{447409}}^1$

素因数の和:447431

約数の個数: 16

約数和(自身を含む): 150329760

約数和(自身を除く): 68901322

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 447409, 894818, 3131863, 5816317, 6263726, 11632634, 40714219, 81428438]

約数ペア:

[(1, 81428438), (2, 40714219), (7, 11632634), (13, 6263726), (14, 5816317), (26, 3131863), (91, 894818), (182, 447409)]