221405185

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{1699}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 270504000

約数和(自身を除く): 49098815

約数列:

[1, 5, 67, 335, 389, 1699, 1945, 8495, 26063, 113833, 130315, 569165, 660911, 3304555, 44281037, 221405185]

約数ペア:

[(1, 221405185), (5, 44281037), (67, 3304555), (335, 660911), (389, 569165), (1699, 130315), (1945, 113833), (8495, 26063)]