51178687

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 64627200

約数和(自身を除く): 13448513

約数列:

[1, 7, 17, 49, 67, 119, 131, 343, 469, 833, 917, 1139, 2227, 3283, 5831, 6419, 7973, 8777, 15589, 22981, 44933, 55811, 61439, 109123, 149209, 390677, 430073, 763861, 1044463, 3010511, 7311241, 51178687]

約数ペア:

[(1, 51178687), (7, 7311241), (17, 3010511), (49, 1044463), (67, 763861), (119, 430073), (131, 390677), (343, 149209), (469, 109123), (833, 61439), (917, 55811), (1139, 44933), (2227, 22981), (3283, 15589), (5831, 8777), (6419, 7973)]