16865945

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 3818215

約数列:

[1, 5, 89, 151, 251, 445, 755, 1255, 13439, 22339, 37901, 67195, 111695, 189505, 3373189, 16865945]

約数ペア:

[(1, 16865945), (5, 3373189), (89, 189505), (151, 111695), (251, 67195), (445, 37901), (755, 22339), (1255, 13439)]