280528038

素因数分解:

$2^1\times 3^2\times 7^4\times {\mathrm{6491}}^1$

素因数の和:6527

約数の個数: 60

約数和(自身を含む): 709179588

約数和(自身を除く): 428651550

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 2401, 3087, 4802, 6174, 6491, 7203, 12982, 14406, 19473, 21609, 38946, 43218, 45437, 58419, 90874, 116838, 136311, 272622, 318059, 408933, 636118, 817866, 954177, 1908354, 2226413, 2862531, 4452826, 5725062, 6679239, 13358478, 15584891, 20037717, 31169782, 40075434, 46754673, 93509346, 140264019, 280528038]

約数ペア:

[(1, 280528038), (2, 140264019), (3, 93509346), (6, 46754673), (7, 40075434), (9, 31169782), (14, 20037717), (18, 15584891), (21, 13358478), (42, 6679239), (49, 5725062), (63, 4452826), (98, 2862531), (126, 2226413), (147, 1908354), (294, 954177), (343, 817866), (441, 636118), (686, 408933), (882, 318059), (1029, 272622), (2058, 136311), (2401, 116838), (3087, 90874), (4802, 58419), (6174, 45437), (6491, 43218), (7203, 38946), (12982, 21609), (14406, 19473)]