661862881

素因数分解:

${\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 699229440

約数和(自身を除く): 37366559

約数列:

[1, 23, 173, 181, 919, 3979, 4163, 21137, 31313, 158987, 166339, 720199, 3656701, 3825797, 28776647, 661862881]

約数ペア:

[(1, 661862881), (23, 28776647), (173, 3825797), (181, 3656701), (919, 720199), (3979, 166339), (4163, 158987), (21137, 31313)]