64051895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{4007}}^1$

素因数の和:4174

約数の個数: 16

約数和(自身を含む): 80801280

約数和(自身を除く): 16749385

約数列:

[1, 5, 23, 115, 139, 695, 3197, 4007, 15985, 20035, 92161, 460805, 556973, 2784865, 12810379, 64051895]

約数ペア:

[(1, 64051895), (5, 12810379), (23, 2784865), (115, 556973), (139, 460805), (695, 92161), (3197, 20035), (4007, 15985)]