199907474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{404671}}^1$

素因数の和:404705

約数の個数: 16

約数和(自身を含む): 339924480

約数和(自身を除く): 140017006

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 404671, 809342, 5260723, 7688749, 10521446, 15377498, 99953737, 199907474]

約数ペア:

[(1, 199907474), (2, 99953737), (13, 15377498), (19, 10521446), (26, 7688749), (38, 5260723), (247, 809342), (494, 404671)]