28979874

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 83229120

約数和(自身を除く): 54249246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 49, 58, 63, 66, 77, 87, 98, 99, 103, 126, 147, 154, 174, 198, 203, 206, 231, 261, 294, 309, 319, 406, 441, 462, 522, 539, 609, 618, 638, 693, 721, 882, 927, 957, 1078, 1133, 1218, 1386, 1421, 1442, 1617, 1827, 1854, 1914, 2163, 2233, 2266, 2842, 2871, 2987, 3234, 3399, 3654, 4263, 4326, 4466, 4851, 5047, 5742, 5974, 6489, 6699, 6798, 7931, 8526, 8961, 9702, 10094, 10197, 12789, 12978, 13398, 15141, 15631, 15862, 17922, 20097, 20394, 20909, 23793, 25578, 26883, 30282, 31262, 32857, 40194, 41818, 45423, 46893, 47586, 53766, 55517, 62727, 65714, 71379, 90846, 93786, 98571, 111034, 125454, 140679, 142758, 146363, 166551, 188181, 197142, 229999, 281358, 292726, 295713, 333102, 376362, 439089, 459998, 499653, 591426, 689997, 878178, 999306, 1317267, 1379994, 1609993, 2069991, 2634534, 3219986, 4139982, 4829979, 9659958, 14489937, 28979874]

約数ペア:

[(1, 28979874), (2, 14489937), (3, 9659958), (6, 4829979), (7, 4139982), (9, 3219986), (11, 2634534), (14, 2069991), (18, 1609993), (21, 1379994), (22, 1317267), (29, 999306), (33, 878178), (42, 689997), (49, 591426), (58, 499653), (63, 459998), (66, 439089), (77, 376362), (87, 333102), (98, 295713), (99, 292726), (103, 281358), (126, 229999), (147, 197142), (154, 188181), (174, 166551), (198, 146363), (203, 142758), (206, 140679), (231, 125454), (261, 111034), (294, 98571), (309, 93786), (319, 90846), (406, 71379), (441, 65714), (462, 62727), (522, 55517), (539, 53766), (609, 47586), (618, 46893), (638, 45423), (693, 41818), (721, 40194), (882, 32857), (927, 31262), (957, 30282), (1078, 26883), (1133, 25578), (1218, 23793), (1386, 20909), (1421, 20394), (1442, 20097), (1617, 17922), (1827, 15862), (1854, 15631), (1914, 15141), (2163, 13398), (2233, 12978), (2266, 12789), (2842, 10197), (2871, 10094), (2987, 9702), (3234, 8961), (3399, 8526), (3654, 7931), (4263, 6798), (4326, 6699), (4466, 6489), (4851, 5974), (5047, 5742)]