131998984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1269221}}^1$

素因数の和:1269240

約数の個数: 16

約数和(自身を含む): 266536620

約数和(自身を除く): 134537636

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1269221, 2538442, 5076884, 10153768, 16499873, 32999746, 65999492, 131998984]

約数ペア:

[(1, 131998984), (2, 65999492), (4, 32999746), (8, 16499873), (13, 10153768), (26, 5076884), (52, 2538442), (104, 1269221)]