686964

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 1774080

約数和(自身を除く): 1087116

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 131, 138, 228, 262, 276, 393, 437, 524, 786, 874, 1311, 1572, 1748, 2489, 2622, 3013, 4978, 5244, 6026, 7467, 9039, 9956, 12052, 14934, 18078, 29868, 36156, 57247, 114494, 171741, 228988, 343482, 686964]

約数ペア:

[(1, 686964), (2, 343482), (3, 228988), (4, 171741), (6, 114494), (12, 57247), (19, 36156), (23, 29868), (38, 18078), (46, 14934), (57, 12052), (69, 9956), (76, 9039), (92, 7467), (114, 6026), (131, 5244), (138, 4978), (228, 3013), (262, 2622), (276, 2489), (393, 1748), (437, 1572), (524, 1311), (786, 874)]