256150818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 744007680

約数和(自身を除く): 487856862

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 71, 77, 99, 114, 126, 133, 137, 142, 154, 171, 198, 209, 213, 231, 266, 274, 342, 399, 411, 418, 426, 462, 497, 627, 639, 693, 781, 798, 822, 959, 994, 1197, 1233, 1254, 1278, 1349, 1386, 1463, 1491, 1507, 1562, 1881, 1918, 2343, 2394, 2466, 2603, 2698, 2877, 2926, 2982, 3014, 3762, 4047, 4389, 4473, 4521, 4686, 5206, 5467, 5754, 7029, 7809, 8094, 8631, 8778, 8946, 9042, 9443, 9727, 10549, 10934, 12141, 13167, 13563, 14058, 14839, 15618, 16401, 17262, 18221, 18886, 19454, 21098, 23427, 24282, 26334, 27126, 28329, 28633, 29181, 29678, 31647, 32802, 36442, 44517, 46854, 49203, 54663, 56658, 57266, 58362, 63294, 68089, 84987, 85899, 87543, 89034, 94941, 98406, 103873, 106997, 109326, 133551, 136178, 163989, 169974, 171798, 175086, 184813, 189882, 200431, 204267, 207746, 213994, 257697, 267102, 311619, 320991, 327978, 369626, 400862, 408534, 515394, 554439, 601293, 612801, 623238, 641982, 748979, 934857, 962973, 1108878, 1202586, 1225602, 1293691, 1497958, 1663317, 1803879, 1869714, 1925946, 2032943, 2246937, 2587382, 3326634, 3607758, 3881073, 4065886, 4493874, 6098829, 6740811, 7762146, 11643219, 12197658, 13481622, 14230601, 18296487, 23286438, 28461202, 36592974, 42691803, 85383606, 128075409, 256150818]

約数ペア:

[(1, 256150818), (2, 128075409), (3, 85383606), (6, 42691803), (7, 36592974), (9, 28461202), (11, 23286438), (14, 18296487), (18, 14230601), (19, 13481622), (21, 12197658), (22, 11643219), (33, 7762146), (38, 6740811), (42, 6098829), (57, 4493874), (63, 4065886), (66, 3881073), (71, 3607758), (77, 3326634), (99, 2587382), (114, 2246937), (126, 2032943), (133, 1925946), (137, 1869714), (142, 1803879), (154, 1663317), (171, 1497958), (198, 1293691), (209, 1225602), (213, 1202586), (231, 1108878), (266, 962973), (274, 934857), (342, 748979), (399, 641982), (411, 623238), (418, 612801), (426, 601293), (462, 554439), (497, 515394), (627, 408534), (639, 400862), (693, 369626), (781, 327978), (798, 320991), (822, 311619), (959, 267102), (994, 257697), (1197, 213994), (1233, 207746), (1254, 204267), (1278, 200431), (1349, 189882), (1386, 184813), (1463, 175086), (1491, 171798), (1507, 169974), (1562, 163989), (1881, 136178), (1918, 133551), (2343, 109326), (2394, 106997), (2466, 103873), (2603, 98406), (2698, 94941), (2877, 89034), (2926, 87543), (2982, 85899), (3014, 84987), (3762, 68089), (4047, 63294), (4389, 58362), (4473, 57266), (4521, 56658), (4686, 54663), (5206, 49203), (5467, 46854), (5754, 44517), (7029, 36442), (7809, 32802), (8094, 31647), (8631, 29678), (8778, 29181), (8946, 28633), (9042, 28329), (9443, 27126), (9727, 26334), (10549, 24282), (10934, 23427), (12141, 21098), (13167, 19454), (13563, 18886), (14058, 18221), (14839, 17262), (15618, 16401)]