81996816

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1601}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 233610048

約数和(自身を除く): 151613232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 97, 132, 176, 194, 264, 291, 388, 528, 582, 776, 1067, 1164, 1552, 1601, 2134, 2328, 3201, 3202, 4268, 4656, 4803, 6402, 6404, 8536, 9606, 12804, 12808, 17072, 17611, 19212, 25608, 25616, 35222, 38424, 51216, 52833, 70444, 76848, 105666, 140888, 155297, 211332, 281776, 310594, 422664, 465891, 621188, 845328, 931782, 1242376, 1708267, 1863564, 2484752, 3416534, 3727128, 5124801, 6833068, 7454256, 10249602, 13666136, 20499204, 27332272, 40998408, 81996816]

約数ペア:

[(1, 81996816), (2, 40998408), (3, 27332272), (4, 20499204), (6, 13666136), (8, 10249602), (11, 7454256), (12, 6833068), (16, 5124801), (22, 3727128), (24, 3416534), (33, 2484752), (44, 1863564), (48, 1708267), (66, 1242376), (88, 931782), (97, 845328), (132, 621188), (176, 465891), (194, 422664), (264, 310594), (291, 281776), (388, 211332), (528, 155297), (582, 140888), (776, 105666), (1067, 76848), (1164, 70444), (1552, 52833), (1601, 51216), (2134, 38424), (2328, 35222), (3201, 25616), (3202, 25608), (4268, 19212), (4656, 17611), (4803, 17072), (6402, 12808), (6404, 12804), (8536, 9606)]