217380366

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 555422400

約数和(自身を除く): 338042034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 137, 147, 257, 274, 294, 343, 411, 441, 514, 686, 771, 822, 882, 959, 1029, 1233, 1542, 1799, 1918, 2058, 2313, 2466, 2877, 3087, 3598, 4626, 5397, 5754, 6174, 6713, 8631, 10794, 12593, 13426, 16191, 17262, 20139, 25186, 32382, 35209, 37779, 40278, 46991, 60417, 70418, 75558, 88151, 93982, 105627, 113337, 120834, 140973, 176302, 211254, 226674, 246463, 264453, 281946, 316881, 422919, 492926, 528906, 633762, 739389, 793359, 845838, 1478778, 1586718, 1725241, 2218167, 3450482, 4436334, 5175723, 10351446, 12076687, 15527169, 24153374, 31054338, 36230061, 72460122, 108690183, 217380366]

約数ペア:

[(1, 217380366), (2, 108690183), (3, 72460122), (6, 36230061), (7, 31054338), (9, 24153374), (14, 15527169), (18, 12076687), (21, 10351446), (42, 5175723), (49, 4436334), (63, 3450482), (98, 2218167), (126, 1725241), (137, 1586718), (147, 1478778), (257, 845838), (274, 793359), (294, 739389), (343, 633762), (411, 528906), (441, 492926), (514, 422919), (686, 316881), (771, 281946), (822, 264453), (882, 246463), (959, 226674), (1029, 211254), (1233, 176302), (1542, 140973), (1799, 120834), (1918, 113337), (2058, 105627), (2313, 93982), (2466, 88151), (2877, 75558), (3087, 70418), (3598, 60417), (4626, 46991), (5397, 40278), (5754, 37779), (6174, 35209), (6713, 32382), (8631, 25186), (10794, 20139), (12593, 17262), (13426, 16191)]