638672207

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{4861}}^1$

素因数の和:5018

約数の個数: 16

約数和(自身を含む): 678424032

約数和(自身を除く): 39751825

約数列:

[1, 37, 53, 67, 1961, 2479, 3551, 4861, 131387, 179857, 257633, 325687, 9532421, 12050419, 17261411, 638672207]

約数ペア:

[(1, 638672207), (37, 17261411), (53, 12050419), (67, 9532421), (1961, 325687), (2479, 257633), (3551, 179857), (4861, 131387)]