647584707

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{28901}}^1$

素因数の和:29019

約数の個数: 32

約数和(自身を含む): 1087640064

約数和(自身を除く): 440055357

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 1067, 2037, 3201, 7469, 22407, 28901, 86703, 202307, 317911, 606921, 953733, 2225377, 2803397, 6676131, 8410191, 19623779, 30837367, 58871337, 92512101, 215861569, 647584707]

約数ペア:

[(1, 647584707), (3, 215861569), (7, 92512101), (11, 58871337), (21, 30837367), (33, 19623779), (77, 8410191), (97, 6676131), (231, 2803397), (291, 2225377), (679, 953733), (1067, 606921), (2037, 317911), (3201, 202307), (7469, 86703), (22407, 28901)]