81990076

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 174283200

約数和(自身を除く): 92293124

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 812, 1036, 1073, 2146, 2729, 4292, 5458, 7511, 10916, 15022, 19103, 30044, 38206, 76412, 79141, 100973, 158282, 201946, 316564, 403892, 553987, 706811, 1107974, 1413622, 2215948, 2827244, 2928217, 5856434, 11712868, 20497519, 40995038, 81990076]

約数ペア:

[(1, 81990076), (2, 40995038), (4, 20497519), (7, 11712868), (14, 5856434), (28, 2928217), (29, 2827244), (37, 2215948), (58, 1413622), (74, 1107974), (116, 706811), (148, 553987), (203, 403892), (259, 316564), (406, 201946), (518, 158282), (812, 100973), (1036, 79141), (1073, 76412), (2146, 38206), (2729, 30044), (4292, 19103), (5458, 15022), (7511, 10916)]