78891145

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 97044480

約数和(自身を除く): 18153335

約数列:

[1, 5, 47, 235, 389, 863, 1945, 4315, 18283, 40561, 91415, 202805, 335707, 1678535, 15778229, 78891145]

約数ペア:

[(1, 78891145), (5, 15778229), (47, 1678535), (235, 335707), (389, 202805), (863, 91415), (1945, 40561), (4315, 18283)]