281431486

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{1579}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 500544000

約数和(自身を除く): 219112514

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 439, 878, 1579, 3073, 3158, 6146, 11053, 12731, 22106, 25462, 45791, 89117, 91582, 178234, 320537, 641074, 693181, 1386362, 4852267, 9704534, 20102249, 40204498, 140715743, 281431486]

約数ペア:

[(1, 281431486), (2, 140715743), (7, 40204498), (14, 20102249), (29, 9704534), (58, 4852267), (203, 1386362), (406, 693181), (439, 641074), (878, 320537), (1579, 178234), (3073, 91582), (3158, 89117), (6146, 45791), (11053, 25462), (12731, 22106)]