388962

素因数分解:

$2^1\times 3^4\times 7^4$

素因数の和:42

約数の個数: 50

約数和(自身を含む): 1016763

約数和(自身を除く): 627801

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 343, 378, 441, 567, 686, 882, 1029, 1134, 1323, 2058, 2401, 2646, 3087, 3969, 4802, 6174, 7203, 7938, 9261, 14406, 18522, 21609, 27783, 43218, 55566, 64827, 129654, 194481, 388962]

約数ペア:

[(1, 388962), (2, 194481), (3, 129654), (6, 64827), (7, 55566), (9, 43218), (14, 27783), (18, 21609), (21, 18522), (27, 14406), (42, 9261), (49, 7938), (54, 7203), (63, 6174), (81, 4802), (98, 3969), (126, 3087), (147, 2646), (162, 2401), (189, 2058), (294, 1323), (343, 1134), (378, 1029), (441, 882), (567, 686)]