81925648

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1364

約数の個数: 60

約数和(自身を含む): 187019280

約数和(自身を除く): 105093632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 332, 392, 581, 664, 784, 1162, 1259, 1328, 2324, 2518, 4067, 4648, 5036, 8134, 8813, 9296, 10072, 16268, 17626, 20144, 32536, 35252, 61691, 65072, 70504, 104497, 123382, 141008, 208994, 246764, 417988, 493528, 731479, 835976, 987056, 1462958, 1671952, 2925916, 5120353, 5851832, 10240706, 11703664, 20481412, 40962824, 81925648]

約数ペア:

[(1, 81925648), (2, 40962824), (4, 20481412), (7, 11703664), (8, 10240706), (14, 5851832), (16, 5120353), (28, 2925916), (49, 1671952), (56, 1462958), (83, 987056), (98, 835976), (112, 731479), (166, 493528), (196, 417988), (332, 246764), (392, 208994), (581, 141008), (664, 123382), (784, 104497), (1162, 70504), (1259, 65072), (1328, 61691), (2324, 35252), (2518, 32536), (4067, 20144), (4648, 17626), (5036, 16268), (8134, 10072), (8813, 9296)]