64012825

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 81816192

約数和(自身を除く): 17803367

約数列:

[1, 5, 25, 47, 157, 235, 347, 785, 1175, 1735, 3925, 7379, 8675, 16309, 36895, 54479, 81545, 184475, 272395, 407725, 1361975, 2560513, 12802565, 64012825]

約数ペア:

[(1, 64012825), (5, 12802565), (25, 2560513), (47, 1361975), (157, 407725), (235, 272395), (347, 184475), (785, 81545), (1175, 54479), (1735, 36895), (3925, 16309), (7379, 8675)]