1330640008

素因数分解:

$2^3\times {\mathrm{2543}}^1\times {\mathrm{65407}}^1$

素因数の和:67956

約数の個数: 16

約数和(自身を含む): 2495969280

約数和(自身を除く): 1165329272

約数列:

[1, 2, 4, 8, 2543, 5086, 10172, 20344, 65407, 130814, 261628, 523256, 166330001, 332660002, 665320004, 1330640008]

約数ペア:

[(1, 1330640008), (2, 665320004), (4, 332660002), (8, 166330001), (2543, 523256), (5086, 261628), (10172, 130814), (20344, 65407)]