81436432

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 132835568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 71, 76, 77, 88, 98, 112, 133, 142, 152, 154, 176, 196, 209, 266, 284, 304, 308, 343, 392, 418, 497, 532, 539, 568, 616, 686, 781, 784, 836, 931, 994, 1064, 1078, 1136, 1232, 1349, 1372, 1463, 1562, 1672, 1862, 1988, 2128, 2156, 2698, 2744, 2926, 3124, 3344, 3479, 3724, 3773, 3976, 4312, 5396, 5467, 5488, 5852, 6248, 6517, 6958, 7448, 7546, 7952, 8624, 9443, 10241, 10792, 10934, 11704, 12496, 13034, 13916, 14839, 14896, 15092, 18886, 20482, 21584, 21868, 23408, 24353, 26068, 27832, 29678, 30184, 37772, 38269, 40964, 43736, 48706, 52136, 55664, 59356, 60368, 66101, 71687, 75544, 76538, 81928, 87472, 97412, 103873, 104272, 118712, 132202, 143374, 151088, 153076, 163856, 194824, 207746, 237424, 264404, 267883, 286748, 306152, 389648, 415492, 462707, 528808, 535766, 573496, 612304, 727111, 830984, 925414, 1057616, 1071532, 1146992, 1454222, 1661968, 1850828, 2143064, 2908444, 3701656, 4286128, 5089777, 5816888, 7403312, 10179554, 11633776, 20359108, 40718216, 81436432]

約数ペア:

[(1, 81436432), (2, 40718216), (4, 20359108), (7, 11633776), (8, 10179554), (11, 7403312), (14, 5816888), (16, 5089777), (19, 4286128), (22, 3701656), (28, 2908444), (38, 2143064), (44, 1850828), (49, 1661968), (56, 1454222), (71, 1146992), (76, 1071532), (77, 1057616), (88, 925414), (98, 830984), (112, 727111), (133, 612304), (142, 573496), (152, 535766), (154, 528808), (176, 462707), (196, 415492), (209, 389648), (266, 306152), (284, 286748), (304, 267883), (308, 264404), (343, 237424), (392, 207746), (418, 194824), (497, 163856), (532, 153076), (539, 151088), (568, 143374), (616, 132202), (686, 118712), (781, 104272), (784, 103873), (836, 97412), (931, 87472), (994, 81928), (1064, 76538), (1078, 75544), (1136, 71687), (1232, 66101), (1349, 60368), (1372, 59356), (1463, 55664), (1562, 52136), (1672, 48706), (1862, 43736), (1988, 40964), (2128, 38269), (2156, 37772), (2698, 30184), (2744, 29678), (2926, 27832), (3124, 26068), (3344, 24353), (3479, 23408), (3724, 21868), (3773, 21584), (3976, 20482), (4312, 18886), (5396, 15092), (5467, 14896), (5488, 14839), (5852, 13916), (6248, 13034), (6517, 12496), (6958, 11704), (7448, 10934), (7546, 10792), (7952, 10241), (8624, 9443)]