61856795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 105670656

約数和(自身を除く): 43813861

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 143, 187, 221, 385, 455, 595, 715, 727, 935, 1001, 1105, 1309, 1547, 2431, 3635, 5005, 5089, 6545, 7735, 7997, 9451, 12155, 12359, 17017, 25445, 39985, 47255, 55979, 61795, 66157, 85085, 86513, 103961, 135949, 160667, 279895, 330785, 432565, 519805, 679745, 727727, 803335, 951643, 1124669, 1767337, 3638635, 4758215, 5623345, 8836685, 12371359, 61856795]

約数ペア:

[(1, 61856795), (5, 12371359), (7, 8836685), (11, 5623345), (13, 4758215), (17, 3638635), (35, 1767337), (55, 1124669), (65, 951643), (77, 803335), (85, 727727), (91, 679745), (119, 519805), (143, 432565), (187, 330785), (221, 279895), (385, 160667), (455, 135949), (595, 103961), (715, 86513), (727, 85085), (935, 66157), (1001, 61795), (1105, 55979), (1309, 47255), (1547, 39985), (2431, 25445), (3635, 17017), (5005, 12359), (5089, 12155), (6545, 9451), (7735, 7997)]