257086746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18719}}^1$

素因数の和:18843

約数の個数: 48

約数和(自身を含む): 642470400

約数和(自身を除く): 385383654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1526, 1962, 2289, 4578, 6867, 13734, 18719, 37438, 56157, 112314, 131033, 168471, 262066, 336942, 393099, 786198, 1179297, 2040371, 2358594, 4080742, 6121113, 12242226, 14282597, 18363339, 28565194, 36726678, 42847791, 85695582, 128543373, 257086746]

約数ペア:

[(1, 257086746), (2, 128543373), (3, 85695582), (6, 42847791), (7, 36726678), (9, 28565194), (14, 18363339), (18, 14282597), (21, 12242226), (42, 6121113), (63, 4080742), (109, 2358594), (126, 2040371), (218, 1179297), (327, 786198), (654, 393099), (763, 336942), (981, 262066), (1526, 168471), (1962, 131033), (2289, 112314), (4578, 56157), (6867, 37438), (13734, 18719)]