81075904

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13921}}^1$

素因数の和:13953

約数の個数: 56

約数和(自身を含む): 198026528

約数和(自身を除く): 116950624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 13921, 27842, 55684, 97447, 111368, 180973, 194894, 222736, 361946, 389788, 445472, 723892, 779576, 890944, 1266811, 1447784, 1559152, 2533622, 2895568, 3118304, 5067244, 5791136, 6236608, 10134488, 11582272, 20268976, 40537952, 81075904]

約数ペア:

[(1, 81075904), (2, 40537952), (4, 20268976), (7, 11582272), (8, 10134488), (13, 6236608), (14, 5791136), (16, 5067244), (26, 3118304), (28, 2895568), (32, 2533622), (52, 1559152), (56, 1447784), (64, 1266811), (91, 890944), (104, 779576), (112, 723892), (182, 445472), (208, 389788), (224, 361946), (364, 222736), (416, 194894), (448, 180973), (728, 111368), (832, 97447), (1456, 55684), (2912, 27842), (5824, 13921)]