647535258

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{16993}}^1$

素因数の和:17103

約数の個数: 48

約数和(自身を含む): 1471340520

約数和(自身を除く): 823805262

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 73, 87, 146, 174, 219, 261, 438, 522, 657, 1314, 2117, 4234, 6351, 12702, 16993, 19053, 33986, 38106, 50979, 101958, 152937, 305874, 492797, 985594, 1240489, 1478391, 2480978, 2956782, 3721467, 4435173, 7442934, 8870346, 11164401, 22328802, 35974181, 71948362, 107922543, 215845086, 323767629, 647535258]

約数ペア:

[(1, 647535258), (2, 323767629), (3, 215845086), (6, 107922543), (9, 71948362), (18, 35974181), (29, 22328802), (58, 11164401), (73, 8870346), (87, 7442934), (146, 4435173), (174, 3721467), (219, 2956782), (261, 2480978), (438, 1478391), (522, 1240489), (657, 985594), (1314, 492797), (2117, 305874), (4234, 152937), (6351, 101958), (12702, 50979), (16993, 38106), (19053, 33986)]