256445154

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{2473}}^1$

素因数の和:3311

約数の個数: 48

約数和(自身を含む): 636035712

約数和(自身を除く): 379590558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 823, 1646, 2469, 2473, 4938, 4946, 5761, 7407, 7419, 11522, 14814, 14838, 17283, 17311, 22257, 34566, 34622, 44514, 51849, 51933, 103698, 103866, 155799, 311598, 2035279, 4070558, 6105837, 12211674, 14246953, 18317511, 28493906, 36635022, 42740859, 85481718, 128222577, 256445154]

約数ペア:

[(1, 256445154), (2, 128222577), (3, 85481718), (6, 42740859), (7, 36635022), (9, 28493906), (14, 18317511), (18, 14246953), (21, 12211674), (42, 6105837), (63, 4070558), (126, 2035279), (823, 311598), (1646, 155799), (2469, 103866), (2473, 103698), (4938, 51933), (4946, 51849), (5761, 44514), (7407, 34622), (7419, 34566), (11522, 22257), (14814, 17311), (14838, 17283)]