51761855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 68299200

約数和(自身を除く): 16537345

約数列:

[1, 5, 17, 61, 67, 85, 149, 305, 335, 745, 1037, 1139, 2533, 4087, 5185, 5695, 9089, 9983, 12665, 20435, 45445, 49915, 69479, 154513, 169711, 347395, 608963, 772565, 848555, 3044815, 10352371, 51761855]

約数ペア:

[(1, 51761855), (5, 10352371), (17, 3044815), (61, 848555), (67, 772565), (85, 608963), (149, 347395), (305, 169711), (335, 154513), (745, 69479), (1037, 49915), (1139, 45445), (2533, 20435), (4087, 12665), (5185, 9983), (5695, 9089)]