254199946

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 561661128

約数和(自身を除く): 307461182

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 49, 77, 91, 97, 98, 119, 121, 143, 154, 182, 187, 194, 221, 238, 242, 286, 374, 442, 539, 637, 679, 833, 847, 1001, 1067, 1078, 1261, 1274, 1309, 1358, 1547, 1573, 1649, 1666, 1694, 2002, 2057, 2134, 2431, 2522, 2618, 3094, 3146, 3298, 4114, 4753, 4862, 5929, 7007, 7469, 8827, 9163, 9506, 10829, 11011, 11543, 11737, 11858, 13871, 14014, 14399, 14938, 17017, 17654, 18139, 18326, 21437, 21658, 22022, 23086, 23474, 26741, 27742, 28798, 34034, 36278, 42874, 52283, 53482, 61789, 77077, 80801, 82159, 97097, 100793, 104566, 119119, 123578, 126973, 150059, 152581, 154154, 161602, 164318, 187187, 194194, 199529, 201586, 235807, 238238, 253946, 300118, 305162, 374374, 399058, 471614, 575113, 679679, 888811, 1050413, 1068067, 1150226, 1310309, 1359358, 1396703, 1650649, 1777622, 2100826, 2136134, 2593877, 2620618, 2793406, 3301298, 5187754, 7476469, 9776921, 11554543, 14952938, 18157139, 19553842, 23109086, 36314278, 127099973, 254199946]

約数ペア:

[(1, 254199946), (2, 127099973), (7, 36314278), (11, 23109086), (13, 19553842), (14, 18157139), (17, 14952938), (22, 11554543), (26, 9776921), (34, 7476469), (49, 5187754), (77, 3301298), (91, 2793406), (97, 2620618), (98, 2593877), (119, 2136134), (121, 2100826), (143, 1777622), (154, 1650649), (182, 1396703), (187, 1359358), (194, 1310309), (221, 1150226), (238, 1068067), (242, 1050413), (286, 888811), (374, 679679), (442, 575113), (539, 471614), (637, 399058), (679, 374374), (833, 305162), (847, 300118), (1001, 253946), (1067, 238238), (1078, 235807), (1261, 201586), (1274, 199529), (1309, 194194), (1358, 187187), (1547, 164318), (1573, 161602), (1649, 154154), (1666, 152581), (1694, 150059), (2002, 126973), (2057, 123578), (2134, 119119), (2431, 104566), (2522, 100793), (2618, 97097), (3094, 82159), (3146, 80801), (3298, 77077), (4114, 61789), (4753, 53482), (4862, 52283), (5929, 42874), (7007, 36278), (7469, 34034), (8827, 28798), (9163, 27742), (9506, 26741), (10829, 23474), (11011, 23086), (11543, 22022), (11737, 21658), (11858, 21437), (13871, 18326), (14014, 18139), (14399, 17654), (14938, 17017)]