1781027378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{163487}}^1$

素因数の和:163921

約数の個数: 16

約数和(自身を含む): 2883928320

約数和(自身を除く): 1102900942

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 163487, 326974, 2125331, 4250662, 68501053, 137002106, 890513689, 1781027378]

約数ペア:

[(1, 1781027378), (2, 890513689), (13, 137002106), (26, 68501053), (419, 4250662), (838, 2125331), (5447, 326974), (10894, 163487)]