279796874

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 503350848

約数和(自身を除く): 223553974

約数列:

[1, 2, 7, 14, 41, 61, 82, 122, 131, 262, 287, 427, 574, 854, 917, 1834, 2501, 3721, 5002, 5371, 7442, 7991, 10742, 15982, 17507, 26047, 35014, 37597, 52094, 55937, 75194, 111874, 152561, 305122, 327631, 487451, 655262, 974902, 1067927, 2135854, 2293417, 3412157, 4586834, 6824314, 19985491, 39970982, 139898437, 279796874]

約数ペア:

[(1, 279796874), (2, 139898437), (7, 39970982), (14, 19985491), (41, 6824314), (61, 4586834), (82, 3412157), (122, 2293417), (131, 2135854), (262, 1067927), (287, 974902), (427, 655262), (574, 487451), (854, 327631), (917, 305122), (1834, 152561), (2501, 111874), (3721, 75194), (5002, 55937), (5371, 52094), (7442, 37597), (7991, 35014), (10742, 26047), (15982, 17507)]