81058264

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 177044400

約数和(自身を除く): 95986136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 389, 427, 488, 778, 854, 1556, 1708, 2723, 3112, 3416, 3721, 5446, 7442, 10892, 14884, 21784, 23729, 26047, 29768, 47458, 52094, 94916, 104188, 166103, 189832, 208376, 332206, 664412, 1328824, 1447469, 2894938, 5789876, 10132283, 11579752, 20264566, 40529132, 81058264]

約数ペア:

[(1, 81058264), (2, 40529132), (4, 20264566), (7, 11579752), (8, 10132283), (14, 5789876), (28, 2894938), (56, 1447469), (61, 1328824), (122, 664412), (244, 332206), (389, 208376), (427, 189832), (488, 166103), (778, 104188), (854, 94916), (1556, 52094), (1708, 47458), (2723, 29768), (3112, 26047), (3416, 23729), (3721, 21784), (5446, 14884), (7442, 10892)]