256662

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 670320

約数和(自身を除く): 413658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 97, 98, 126, 147, 189, 194, 291, 294, 378, 441, 582, 679, 873, 882, 1323, 1358, 1746, 2037, 2619, 2646, 4074, 4753, 5238, 6111, 9506, 12222, 14259, 18333, 28518, 36666, 42777, 85554, 128331, 256662]

約数ペア:

[(1, 256662), (2, 128331), (3, 85554), (6, 42777), (7, 36666), (9, 28518), (14, 18333), (18, 14259), (21, 12222), (27, 9506), (42, 6111), (49, 5238), (54, 4753), (63, 4074), (97, 2646), (98, 2619), (126, 2037), (147, 1746), (189, 1358), (194, 1323), (291, 882), (294, 873), (378, 679), (441, 582)]