81282656

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 199600128

約数和(自身を除く): 118317472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 103, 104, 112, 182, 206, 208, 224, 271, 364, 412, 416, 542, 721, 728, 824, 1084, 1339, 1442, 1456, 1648, 1897, 2168, 2678, 2884, 2912, 3296, 3523, 3794, 4336, 5356, 5768, 7046, 7588, 8672, 9373, 10712, 11536, 14092, 15176, 18746, 21424, 23072, 24661, 27913, 28184, 30352, 37492, 42848, 49322, 55826, 56368, 60704, 74984, 98644, 111652, 112736, 149968, 195391, 197288, 223304, 299936, 362869, 390782, 394576, 446608, 725738, 781564, 789152, 893216, 1451476, 1563128, 2540083, 2902952, 3126256, 5080166, 5805904, 6252512, 10160332, 11611808, 20320664, 40641328, 81282656]

約数ペア:

[(1, 81282656), (2, 40641328), (4, 20320664), (7, 11611808), (8, 10160332), (13, 6252512), (14, 5805904), (16, 5080166), (26, 3126256), (28, 2902952), (32, 2540083), (52, 1563128), (56, 1451476), (91, 893216), (103, 789152), (104, 781564), (112, 725738), (182, 446608), (206, 394576), (208, 390782), (224, 362869), (271, 299936), (364, 223304), (412, 197288), (416, 195391), (542, 149968), (721, 112736), (728, 111652), (824, 98644), (1084, 74984), (1339, 60704), (1442, 56368), (1456, 55826), (1648, 49322), (1897, 42848), (2168, 37492), (2678, 30352), (2884, 28184), (2912, 27913), (3296, 24661), (3523, 23072), (3794, 21424), (4336, 18746), (5356, 15176), (5768, 14092), (7046, 11536), (7588, 10712), (8672, 9373)]