81288572

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{2437}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 147450240

約数和(自身を除く): 66161668

約数列:

[1, 2, 4, 31, 62, 124, 269, 538, 1076, 2437, 4874, 8339, 9748, 16678, 33356, 75547, 151094, 302188, 655553, 1311106, 2622212, 20322143, 40644286, 81288572]

約数ペア:

[(1, 81288572), (2, 40644286), (4, 20322143), (31, 2622212), (62, 1311106), (124, 655553), (269, 302188), (538, 151094), (1076, 75547), (2437, 33356), (4874, 16678), (8339, 9748)]