64455188

素因数分解:

$2^2\times 7^3\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 133056000

約数和(自身を除く): 68600812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 343, 431, 436, 686, 763, 862, 1372, 1526, 1724, 3017, 3052, 5341, 6034, 10682, 12068, 21119, 21364, 37387, 42238, 46979, 74774, 84476, 93958, 147833, 149548, 187916, 295666, 328853, 591332, 657706, 1315412, 2301971, 4603942, 9207884, 16113797, 32227594, 64455188]

約数ペア:

[(1, 64455188), (2, 32227594), (4, 16113797), (7, 9207884), (14, 4603942), (28, 2301971), (49, 1315412), (98, 657706), (109, 591332), (196, 328853), (218, 295666), (343, 187916), (431, 149548), (436, 147833), (686, 93958), (763, 84476), (862, 74774), (1372, 46979), (1526, 42238), (1724, 37387), (3017, 21364), (3052, 21119), (5341, 12068), (6034, 10682)]