64398416

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{3989}}^1$

素因数の和:5006

約数の個数: 20

約数和(自身を含む): 124926900

約数和(自身を除く): 60528484

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 3989, 4036, 7978, 8072, 15956, 16144, 31912, 63824, 4024901, 8049802, 16099604, 32199208, 64398416]

約数ペア:

[(1, 64398416), (2, 32199208), (4, 16099604), (8, 8049802), (16, 4024901), (1009, 63824), (2018, 31912), (3989, 16144), (4036, 15956), (7978, 8072)]