90512065

素因数分解:

$5^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 126764352

約数和(自身を除く): 36252287

約数列:

[1, 5, 7, 35, 49, 245, 571, 647, 2855, 3235, 3997, 4529, 19985, 22645, 27979, 31703, 139895, 158515, 369437, 1847185, 2586059, 12930295, 18102413, 90512065]

約数ペア:

[(1, 90512065), (5, 18102413), (7, 12930295), (35, 2586059), (49, 1847185), (245, 369437), (571, 158515), (647, 139895), (2855, 31703), (3235, 27979), (3997, 22645), (4529, 19985)]