621767874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 1592414208

約数和(自身を除く): 970646334

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 71, 78, 86, 91, 129, 142, 182, 213, 258, 273, 301, 373, 426, 497, 546, 559, 602, 746, 903, 923, 994, 1118, 1119, 1491, 1677, 1806, 1846, 2238, 2611, 2769, 2982, 3053, 3354, 3913, 4849, 5222, 5538, 6106, 6461, 7826, 7833, 9159, 9698, 11739, 12922, 14547, 15666, 16039, 18318, 19383, 21371, 23478, 26483, 29094, 32078, 33943, 38766, 39689, 42742, 48117, 52966, 64113, 67886, 79378, 79449, 96234, 101829, 112273, 119067, 128226, 158898, 185381, 203658, 208507, 224546, 238134, 277823, 336819, 344279, 370762, 417014, 555646, 556143, 625521, 673638, 688558, 833469, 1032837, 1112286, 1138769, 1251042, 1459549, 1666938, 2065674, 2277538, 2409953, 2919098, 3416307, 4378647, 4819906, 6832614, 7229859, 7971383, 8757294, 14459718, 14803997, 15942766, 23914149, 29607994, 44411991, 47828298, 88823982, 103627979, 207255958, 310883937, 621767874]

約数ペア:

[(1, 621767874), (2, 310883937), (3, 207255958), (6, 103627979), (7, 88823982), (13, 47828298), (14, 44411991), (21, 29607994), (26, 23914149), (39, 15942766), (42, 14803997), (43, 14459718), (71, 8757294), (78, 7971383), (86, 7229859), (91, 6832614), (129, 4819906), (142, 4378647), (182, 3416307), (213, 2919098), (258, 2409953), (273, 2277538), (301, 2065674), (373, 1666938), (426, 1459549), (497, 1251042), (546, 1138769), (559, 1112286), (602, 1032837), (746, 833469), (903, 688558), (923, 673638), (994, 625521), (1118, 556143), (1119, 555646), (1491, 417014), (1677, 370762), (1806, 344279), (1846, 336819), (2238, 277823), (2611, 238134), (2769, 224546), (2982, 208507), (3053, 203658), (3354, 185381), (3913, 158898), (4849, 128226), (5222, 119067), (5538, 112273), (6106, 101829), (6461, 96234), (7826, 79449), (7833, 79378), (9159, 67886), (9698, 64113), (11739, 52966), (12922, 48117), (14547, 42742), (15666, 39689), (16039, 38766), (18318, 33943), (19383, 32078), (21371, 29094), (23478, 26483)]