921398399

素因数分解:

${\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 965157120

約数和(自身を除く): 43758721

約数列:

[1, 31, 89, 521, 641, 2759, 16151, 19871, 46369, 57049, 333961, 1437439, 1768519, 10352791, 29722529, 921398399]

約数ペア:

[(1, 921398399), (31, 29722529), (89, 10352791), (521, 1768519), (641, 1437439), (2759, 333961), (16151, 57049), (19871, 46369)]