28505690

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15749}}^1$

素因数の和:15937

約数の個数: 16

約数和(自身を含む): 51597000

約数和(自身を除く): 23091310

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 15749, 31498, 78745, 157490, 2850569, 5701138, 14252845, 28505690]

約数ペア:

[(1, 28505690), (2, 14252845), (5, 5701138), (10, 2850569), (181, 157490), (362, 78745), (905, 31498), (1810, 15749)]