78980255

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 95999904

約数和(自身を除く): 17019649

約数列:

[1, 5, 181, 197, 443, 905, 985, 2215, 35657, 80183, 87271, 178285, 400915, 436355, 15796051, 78980255]

約数ペア:

[(1, 78980255), (5, 15796051), (181, 436355), (197, 400915), (443, 178285), (905, 87271), (985, 80183), (2215, 35657)]