259308

素因数分解:

$2^2\times 3^3\times 7^4$

素因数の和:41

約数の個数: 60

約数和(自身を含む): 784280

約数和(自身を除く): 524972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 588, 686, 756, 882, 1029, 1323, 1372, 1764, 2058, 2401, 2646, 3087, 4116, 4802, 5292, 6174, 7203, 9261, 9604, 12348, 14406, 18522, 21609, 28812, 37044, 43218, 64827, 86436, 129654, 259308]

約数ペア:

[(1, 259308), (2, 129654), (3, 86436), (4, 64827), (6, 43218), (7, 37044), (9, 28812), (12, 21609), (14, 18522), (18, 14406), (21, 12348), (27, 9604), (28, 9261), (36, 7203), (42, 6174), (49, 5292), (54, 4802), (63, 4116), (84, 3087), (98, 2646), (108, 2401), (126, 2058), (147, 1764), (189, 1372), (196, 1323), (252, 1029), (294, 882), (343, 756), (378, 686), (441, 588)]