66128555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 87998400

約数和(自身を除く): 21869845

約数列:

[1, 5, 17, 29, 85, 139, 145, 193, 493, 695, 965, 2363, 2465, 3281, 4031, 5597, 11815, 16405, 20155, 26827, 27985, 68527, 95149, 134135, 342635, 456059, 475745, 777983, 2280295, 3889915, 13225711, 66128555]

約数ペア:

[(1, 66128555), (5, 13225711), (17, 3889915), (29, 2280295), (85, 777983), (139, 475745), (145, 456059), (193, 342635), (493, 134135), (695, 95149), (965, 68527), (2363, 27985), (2465, 26827), (3281, 20155), (4031, 16405), (5597, 11815)]