128941312

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 273732480

約数和(自身を除く): 144791168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 64, 92, 122, 128, 184, 244, 256, 359, 368, 488, 718, 736, 976, 1403, 1436, 1472, 1952, 2806, 2872, 2944, 3904, 5612, 5744, 5888, 7808, 8257, 11224, 11488, 15616, 16514, 21899, 22448, 22976, 33028, 43798, 44896, 45952, 66056, 87596, 89792, 91904, 132112, 175192, 179584, 264224, 350384, 359168, 503677, 528448, 700768, 1007354, 1056896, 1401536, 2014708, 2113792, 2803072, 4029416, 5606144, 8058832, 16117664, 32235328, 64470656, 128941312]

約数ペア:

[(1, 128941312), (2, 64470656), (4, 32235328), (8, 16117664), (16, 8058832), (23, 5606144), (32, 4029416), (46, 2803072), (61, 2113792), (64, 2014708), (92, 1401536), (122, 1056896), (128, 1007354), (184, 700768), (244, 528448), (256, 503677), (359, 359168), (368, 350384), (488, 264224), (718, 179584), (736, 175192), (976, 132112), (1403, 91904), (1436, 89792), (1472, 87596), (1952, 66056), (2806, 45952), (2872, 44896), (2944, 43798), (3904, 33028), (5612, 22976), (5744, 22448), (5888, 21899), (7808, 16514), (8257, 15616), (11224, 11488)]