645000412

素因数分解:

$2^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{38329}}^1$

素因数の和:38941

約数の個数: 24

約数和(自身を含む): 1292180960

約数和(自身を除く): 647180548

約数列:

[1, 2, 4, 7, 14, 28, 601, 1202, 2404, 4207, 8414, 16828, 38329, 76658, 153316, 268303, 536606, 1073212, 23035729, 46071458, 92142916, 161250103, 322500206, 645000412]

約数ペア:

[(1, 645000412), (2, 322500206), (4, 161250103), (7, 92142916), (14, 46071458), (28, 23035729), (601, 1073212), (1202, 536606), (2404, 268303), (4207, 153316), (8414, 76658), (16828, 38329)]