28015272

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20479}}^1$

素因数の和:20510

約数の個数: 48

約数和(自身を含む): 79872000

約数和(自身を除く): 51856728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20479, 40958, 61437, 81916, 122874, 163832, 184311, 245748, 368622, 389101, 491496, 737244, 778202, 1167303, 1474488, 1556404, 2334606, 3112808, 3501909, 4669212, 7003818, 9338424, 14007636, 28015272]

約数ペア:

[(1, 28015272), (2, 14007636), (3, 9338424), (4, 7003818), (6, 4669212), (8, 3501909), (9, 3112808), (12, 2334606), (18, 1556404), (19, 1474488), (24, 1167303), (36, 778202), (38, 737244), (57, 491496), (72, 389101), (76, 368622), (114, 245748), (152, 184311), (171, 163832), (228, 122874), (342, 81916), (456, 61437), (684, 40958), (1368, 20479)]