64958416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2131

約数の個数: 40

約数和(自身を含む): 133786080

約数和(自身を除く): 68827664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 856, 1712, 1997, 2033, 3994, 4066, 7988, 8132, 15976, 16264, 31952, 32528, 37943, 75886, 151772, 213679, 303544, 427358, 607088, 854716, 1709432, 3418864, 4059901, 8119802, 16239604, 32479208, 64958416]

約数ペア:

[(1, 64958416), (2, 32479208), (4, 16239604), (8, 8119802), (16, 4059901), (19, 3418864), (38, 1709432), (76, 854716), (107, 607088), (152, 427358), (214, 303544), (304, 213679), (428, 151772), (856, 75886), (1712, 37943), (1997, 32528), (2033, 31952), (3994, 16264), (4066, 15976), (7988, 8132)]