289901090

素因数分解:

$2^1\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{10781}}^1$

素因数の和:13477

約数の個数: 16

約数和(自身を含む): 522064440

約数和(自身を除く): 232163350

約数列:

[1, 2, 5, 10, 2689, 5378, 10781, 13445, 21562, 26890, 53905, 107810, 28990109, 57980218, 144950545, 289901090]

約数ペア:

[(1, 289901090), (2, 144950545), (5, 57980218), (10, 28990109), (2689, 107810), (5378, 53905), (10781, 26890), (13445, 21562)]