7880605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 10886400

約数和(自身を除く): 3005795

約数列:

[1, 5, 17, 23, 29, 85, 115, 139, 145, 391, 493, 667, 695, 1955, 2363, 2465, 3197, 3335, 4031, 11339, 11815, 15985, 20155, 54349, 56695, 68527, 92713, 271745, 342635, 463565, 1576121, 7880605]

約数ペア:

[(1, 7880605), (5, 1576121), (17, 463565), (23, 342635), (29, 271745), (85, 92713), (115, 68527), (139, 56695), (145, 54349), (391, 20155), (493, 15985), (667, 11815), (695, 11339), (1955, 4031), (2363, 3335), (2465, 3197)]