1688986

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 2898720

約数和(自身を除く): 1209734

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 263, 338, 494, 526, 3211, 3419, 4997, 6422, 6838, 9994, 44447, 64961, 88894, 129922, 844493, 1688986]

約数ペア:

[(1, 1688986), (2, 844493), (13, 129922), (19, 88894), (26, 64961), (38, 44447), (169, 9994), (247, 6838), (263, 6422), (338, 4997), (494, 3419), (526, 3211)]