81837272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 174873600

約数和(自身を除く): 93036328

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 131, 229, 248, 262, 341, 458, 524, 682, 916, 1048, 1364, 1441, 1832, 2519, 2728, 2882, 4061, 5038, 5764, 7099, 8122, 10076, 11528, 14198, 16244, 20152, 28396, 29999, 32488, 44671, 56792, 59998, 78089, 89342, 119996, 156178, 178684, 239992, 312356, 329989, 357368, 624712, 659978, 929969, 1319956, 1859938, 2639912, 3719876, 7439752, 10229659, 20459318, 40918636, 81837272]

約数ペア:

[(1, 81837272), (2, 40918636), (4, 20459318), (8, 10229659), (11, 7439752), (22, 3719876), (31, 2639912), (44, 1859938), (62, 1319956), (88, 929969), (124, 659978), (131, 624712), (229, 357368), (248, 329989), (262, 312356), (341, 239992), (458, 178684), (524, 156178), (682, 119996), (916, 89342), (1048, 78089), (1364, 59998), (1441, 56792), (1832, 44671), (2519, 32488), (2728, 29999), (2882, 28396), (4061, 20152), (5038, 16244), (5764, 14198), (7099, 11528), (8122, 10076)]