81435419

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 90935040

約数和(自身を除く): 9499621

約数列:

[1, 13, 31, 397, 403, 509, 5161, 6617, 12307, 15779, 159991, 202073, 205127, 2626949, 6264263, 81435419]

約数ペア:

[(1, 81435419), (13, 6264263), (31, 2626949), (397, 205127), (403, 202073), (509, 159991), (5161, 15779), (6617, 12307)]