31056678

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 71884800

約数和(自身を除く): 40828122

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1279, 1349, 2558, 2698, 3837, 4047, 7674, 8094, 11511, 12141, 23022, 24282, 24301, 48602, 72903, 90809, 145806, 181618, 218709, 272427, 437418, 544854, 817281, 1634562, 1725371, 3450742, 5176113, 10352226, 15528339, 31056678]

約数ペア:

[(1, 31056678), (2, 15528339), (3, 10352226), (6, 5176113), (9, 3450742), (18, 1725371), (19, 1634562), (38, 817281), (57, 544854), (71, 437418), (114, 272427), (142, 218709), (171, 181618), (213, 145806), (342, 90809), (426, 72903), (639, 48602), (1278, 24301), (1279, 24282), (1349, 23022), (2558, 12141), (2698, 11511), (3837, 8094), (4047, 7674)]