2158745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 2779920

約数和(自身を除く): 621175

約数列:

[1, 5, 17, 85, 109, 233, 545, 1165, 1853, 3961, 9265, 19805, 25397, 126985, 431749, 2158745]

約数ペア:

[(1, 2158745), (5, 431749), (17, 126985), (85, 25397), (109, 19805), (233, 9265), (545, 3961), (1165, 1853)]