12440855

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 19206720

約数和(自身を除く): 6765865

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 103, 119, 145, 203, 245, 493, 515, 595, 721, 833, 1015, 1421, 1751, 2465, 2987, 3451, 3605, 4165, 5047, 7105, 8755, 12257, 14935, 17255, 20909, 24157, 25235, 50779, 61285, 85799, 104545, 120785, 146363, 253895, 355453, 428995, 731815, 1777265, 2488171, 12440855]

約数ペア:

[(1, 12440855), (5, 2488171), (7, 1777265), (17, 731815), (29, 428995), (35, 355453), (49, 253895), (85, 146363), (103, 120785), (119, 104545), (145, 85799), (203, 61285), (245, 50779), (493, 25235), (515, 24157), (595, 20909), (721, 17255), (833, 14935), (1015, 12257), (1421, 8755), (1751, 7105), (2465, 5047), (2987, 4165), (3451, 3605)]