215978994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 604569600

約数和(自身を除く): 388590606

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 127, 154, 189, 198, 231, 254, 297, 378, 381, 409, 462, 594, 693, 762, 818, 889, 1143, 1227, 1386, 1397, 1778, 2079, 2286, 2454, 2667, 2794, 2863, 3429, 3681, 4158, 4191, 4499, 5334, 5726, 6858, 7362, 8001, 8382, 8589, 8998, 9779, 11043, 12573, 13497, 16002, 17178, 19558, 22086, 24003, 25146, 25767, 26994, 29337, 31493, 37719, 40491, 48006, 51534, 51943, 58674, 62986, 75438, 77301, 80982, 88011, 94479, 103886, 121473, 154602, 155829, 176022, 188958, 242946, 264033, 283437, 311658, 363601, 467487, 528066, 566874, 571373, 727202, 850311, 934974, 1090803, 1142746, 1402461, 1700622, 1714119, 2181606, 2804922, 3272409, 3428238, 3999611, 5142357, 6544818, 7999222, 9817227, 10284714, 11998833, 15427071, 19634454, 23997666, 30854142, 35996499, 71992998, 107989497, 215978994]

約数ペア:

[(1, 215978994), (2, 107989497), (3, 71992998), (6, 35996499), (7, 30854142), (9, 23997666), (11, 19634454), (14, 15427071), (18, 11998833), (21, 10284714), (22, 9817227), (27, 7999222), (33, 6544818), (42, 5142357), (54, 3999611), (63, 3428238), (66, 3272409), (77, 2804922), (99, 2181606), (126, 1714119), (127, 1700622), (154, 1402461), (189, 1142746), (198, 1090803), (231, 934974), (254, 850311), (297, 727202), (378, 571373), (381, 566874), (409, 528066), (462, 467487), (594, 363601), (693, 311658), (762, 283437), (818, 264033), (889, 242946), (1143, 188958), (1227, 176022), (1386, 155829), (1397, 154602), (1778, 121473), (2079, 103886), (2286, 94479), (2454, 88011), (2667, 80982), (2794, 77301), (2863, 75438), (3429, 62986), (3681, 58674), (4158, 51943), (4191, 51534), (4499, 48006), (5334, 40491), (5726, 37719), (6858, 31493), (7362, 29337), (8001, 26994), (8382, 25767), (8589, 25146), (8998, 24003), (9779, 22086), (11043, 19558), (12573, 17178), (13497, 16002)]