168408721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{809}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 185068800

約数和(自身を除く): 16660079

約数列:

[1, 13, 67, 239, 809, 871, 3107, 10517, 16013, 54203, 193351, 208169, 704639, 2513563, 12954517, 168408721]

約数ペア:

[(1, 168408721), (13, 12954517), (67, 2513563), (239, 704639), (809, 208169), (871, 193351), (3107, 54203), (10517, 16013)]