1901294785

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{173081}}^1$

素因数の和:173125

約数の個数: 16

約数和(自身を含む): 2471610960

約数和(自身を除く): 570316175

約数列:

[1, 5, 13, 65, 169, 845, 2197, 10985, 173081, 865405, 2250053, 11250265, 29250689, 146253445, 380258957, 1901294785]

約数ペア:

[(1, 1901294785), (5, 380258957), (13, 146253445), (65, 29250689), (169, 11250265), (845, 2250053), (2197, 865405), (10985, 173081)]