38778859

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 45372096

約数和(自身を除く): 6593237

約数列:

[1, 7, 61, 197, 427, 461, 1379, 3227, 12017, 28121, 84119, 90817, 196847, 635719, 5539837, 38778859]

約数ペア:

[(1, 38778859), (7, 5539837), (61, 635719), (197, 196847), (427, 90817), (461, 84119), (1379, 28121), (3227, 12017)]