131485256

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{631}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 286902720

約数和(自身を除く): 155417464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 631, 854, 1262, 1708, 2524, 3416, 3721, 4417, 5048, 7442, 8834, 14884, 17668, 26047, 29768, 35336, 38491, 52094, 76982, 104188, 153964, 208376, 269437, 307928, 538874, 1077748, 2155496, 2347951, 4695902, 9391804, 16435657, 18783608, 32871314, 65742628, 131485256]

約数ペア:

[(1, 131485256), (2, 65742628), (4, 32871314), (7, 18783608), (8, 16435657), (14, 9391804), (28, 4695902), (56, 2347951), (61, 2155496), (122, 1077748), (244, 538874), (427, 307928), (488, 269437), (631, 208376), (854, 153964), (1262, 104188), (1708, 76982), (2524, 52094), (3416, 38491), (3721, 35336), (4417, 29768), (5048, 26047), (7442, 17668), (8834, 14884)]