1921955

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 2669760

約数和(自身を除く): 747805

約数列:

[1, 5, 7, 35, 89, 445, 617, 623, 3085, 3115, 4319, 21595, 54913, 274565, 384391, 1921955]

約数ペア:

[(1, 1921955), (5, 384391), (7, 274565), (35, 54913), (89, 21595), (445, 4319), (617, 3115), (623, 3085)]