38947993

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{4937}}^1$

素因数の和:4981

約数の個数: 16

約数和(自身を含む): 47404800

約数和(自身を除く): 8456807

約数列:

[1, 7, 23, 49, 161, 343, 1127, 4937, 7889, 34559, 113551, 241913, 794857, 1693391, 5563999, 38947993]

約数ペア:

[(1, 38947993), (7, 5563999), (23, 1693391), (49, 794857), (161, 241913), (343, 113551), (1127, 34559), (4937, 7889)]