81757312

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7019}}^1$

素因数の和:7053

約数の個数: 64

約数和(自身を含む): 200491200

約数和(自身を除く): 118733888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 7019, 11648, 14038, 28076, 49133, 56152, 91247, 98266, 112304, 182494, 196532, 224608, 364988, 393064, 449216, 638729, 729976, 786128, 898432, 1277458, 1459952, 1572256, 2554916, 2919904, 3144512, 5109832, 5839808, 6289024, 10219664, 11679616, 20439328, 40878656, 81757312]

約数ペア:

[(1, 81757312), (2, 40878656), (4, 20439328), (7, 11679616), (8, 10219664), (13, 6289024), (14, 5839808), (16, 5109832), (26, 3144512), (28, 2919904), (32, 2554916), (52, 1572256), (56, 1459952), (64, 1277458), (91, 898432), (104, 786128), (112, 729976), (128, 638729), (182, 449216), (208, 393064), (224, 364988), (364, 224608), (416, 196532), (448, 182494), (728, 112304), (832, 98266), (896, 91247), (1456, 56152), (1664, 49133), (2912, 28076), (5824, 14038), (7019, 11648)]