20111119

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3449}}^1$

素因数の和:3487

約数の個数: 16

約数和(自身を含む): 24840000

約数和(自身を除く): 4728881

約数列:

[1, 7, 17, 49, 119, 343, 833, 3449, 5831, 24143, 58633, 169001, 410431, 1183007, 2873017, 20111119]

約数ペア:

[(1, 20111119), (7, 2873017), (17, 1183007), (49, 410431), (119, 169001), (343, 58633), (833, 24143), (3449, 5831)]