215344916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{22783}}^1$

素因数の和:22943

約数の個数: 24

約数和(自身を含む): 401909760

約数和(自身を除く): 186564844

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2363, 4726, 9452, 22783, 45566, 91132, 387311, 774622, 1549244, 3166837, 6333674, 12667348, 53836229, 107672458, 215344916]

約数ペア:

[(1, 215344916), (2, 107672458), (4, 53836229), (17, 12667348), (34, 6333674), (68, 3166837), (139, 1549244), (278, 774622), (556, 387311), (2363, 91132), (4726, 45566), (9452, 22783)]