199511945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{20707}}^1$

素因数の和:20800

約数の個数: 16

約数和(自身を含む): 250483968

約数和(自身を除く): 50972023

約数列:

[1, 5, 41, 47, 205, 235, 1927, 9635, 20707, 103535, 848987, 973229, 4244935, 4866145, 39902389, 199511945]

約数ペア:

[(1, 199511945), (5, 39902389), (41, 4866145), (47, 4244935), (205, 973229), (235, 848987), (1927, 103535), (9635, 20707)]