1661665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 2142288

約数和(自身を除く): 480623

約数列:

[1, 5, 17, 85, 113, 173, 565, 865, 1921, 2941, 9605, 14705, 19549, 97745, 332333, 1661665]

約数ペア:

[(1, 1661665), (5, 332333), (17, 97745), (85, 19549), (113, 14705), (173, 9605), (565, 2941), (865, 1921)]