25481316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{691}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 68203520

約数和(自身を除く): 42722204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 439, 691, 878, 1317, 1382, 1756, 2073, 2634, 2764, 3073, 4146, 4837, 5268, 6146, 8292, 9219, 9674, 12292, 14511, 18438, 19348, 29022, 36876, 58044, 303349, 606698, 910047, 1213396, 1820094, 2123443, 3640188, 4246886, 6370329, 8493772, 12740658, 25481316]

約数ペア:

[(1, 25481316), (2, 12740658), (3, 8493772), (4, 6370329), (6, 4246886), (7, 3640188), (12, 2123443), (14, 1820094), (21, 1213396), (28, 910047), (42, 606698), (84, 303349), (439, 58044), (691, 36876), (878, 29022), (1317, 19348), (1382, 18438), (1756, 14511), (2073, 12292), (2634, 9674), (2764, 9219), (3073, 8292), (4146, 6146), (4837, 5268)]