64447184

素因数分解:

$2^4\times {\mathrm{1997}}^1\times {\mathrm{2017}}^1$

素因数の和:4022

約数の個数: 20

約数和(自身を含む): 124990884

約数和(自身を除く): 60543700

約数列:

[1, 2, 4, 8, 16, 1997, 2017, 3994, 4034, 7988, 8068, 15976, 16136, 31952, 32272, 4027949, 8055898, 16111796, 32223592, 64447184]

約数ペア:

[(1, 64447184), (2, 32223592), (4, 16111796), (8, 8055898), (16, 4027949), (1997, 32272), (2017, 31952), (3994, 16136), (4034, 15976), (7988, 8068)]