647802

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 1558440

約数和(自身を除く): 910638

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 73, 87, 102, 146, 153, 174, 219, 261, 306, 438, 493, 522, 657, 986, 1241, 1314, 1479, 2117, 2482, 2958, 3723, 4234, 4437, 6351, 7446, 8874, 11169, 12702, 19053, 22338, 35989, 38106, 71978, 107967, 215934, 323901, 647802]

約数ペア:

[(1, 647802), (2, 323901), (3, 215934), (6, 107967), (9, 71978), (17, 38106), (18, 35989), (29, 22338), (34, 19053), (51, 12702), (58, 11169), (73, 8874), (87, 7446), (102, 6351), (146, 4437), (153, 4234), (174, 3723), (219, 2958), (261, 2482), (306, 2117), (438, 1479), (493, 1314), (522, 1241), (657, 986)]