81571952

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 199963392

約数和(自身を除く): 118391440

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 73, 77, 88, 112, 146, 154, 176, 292, 308, 511, 584, 616, 803, 907, 1022, 1168, 1232, 1606, 1814, 2044, 3212, 3628, 4088, 5621, 6349, 6424, 7256, 8176, 9977, 11242, 12698, 12848, 14512, 19954, 22484, 25396, 39908, 44968, 50792, 66211, 69839, 79816, 89936, 101584, 132422, 139678, 159632, 264844, 279356, 463477, 529688, 558712, 728321, 926954, 1059376, 1117424, 1456642, 1853908, 2913284, 3707816, 5098247, 5826568, 7415632, 10196494, 11653136, 20392988, 40785976, 81571952]

約数ペア:

[(1, 81571952), (2, 40785976), (4, 20392988), (7, 11653136), (8, 10196494), (11, 7415632), (14, 5826568), (16, 5098247), (22, 3707816), (28, 2913284), (44, 1853908), (56, 1456642), (73, 1117424), (77, 1059376), (88, 926954), (112, 728321), (146, 558712), (154, 529688), (176, 463477), (292, 279356), (308, 264844), (511, 159632), (584, 139678), (616, 132422), (803, 101584), (907, 89936), (1022, 79816), (1168, 69839), (1232, 66211), (1606, 50792), (1814, 44968), (2044, 39908), (3212, 25396), (3628, 22484), (4088, 19954), (5621, 14512), (6349, 12848), (6424, 12698), (7256, 11242), (8176, 9977)]