28740745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3989}}^1$

素因数の和:4136

約数の個数: 16

約数和(自身を含む): 37920960

約数和(自身を除く): 9180215

約数列:

[1, 5, 11, 55, 131, 655, 1441, 3989, 7205, 19945, 43879, 219395, 522559, 2612795, 5748149, 28740745]

約数ペア:

[(1, 28740745), (5, 5748149), (11, 2612795), (55, 522559), (131, 219395), (655, 43879), (1441, 19945), (3989, 7205)]