28725774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 72479232

約数和(自身を除く): 43753458

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 97, 154, 194, 231, 291, 462, 582, 641, 679, 1067, 1282, 1358, 1923, 2037, 2134, 3201, 3846, 4074, 4487, 6402, 7051, 7469, 8974, 13461, 14102, 14938, 21153, 22407, 26922, 42306, 44814, 49357, 62177, 98714, 124354, 148071, 186531, 296142, 373062, 435239, 683947, 870478, 1305717, 1367894, 2051841, 2611434, 4103682, 4787629, 9575258, 14362887, 28725774]

約数ペア:

[(1, 28725774), (2, 14362887), (3, 9575258), (6, 4787629), (7, 4103682), (11, 2611434), (14, 2051841), (21, 1367894), (22, 1305717), (33, 870478), (42, 683947), (66, 435239), (77, 373062), (97, 296142), (154, 186531), (194, 148071), (231, 124354), (291, 98714), (462, 62177), (582, 49357), (641, 44814), (679, 42306), (1067, 26922), (1282, 22407), (1358, 21153), (1923, 14938), (2037, 14102), (2134, 13461), (3201, 8974), (3846, 7469), (4074, 7051), (4487, 6402)]