201091385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 279936000

約数和(自身を除く): 78844615

約数列:

[1, 5, 11, 17, 55, 85, 187, 449, 479, 935, 2245, 2395, 4939, 5269, 7633, 8143, 24695, 26345, 38165, 40715, 83963, 89573, 215071, 419815, 447865, 1075355, 2365781, 3656207, 11828905, 18281035, 40218277, 201091385]

約数ペア:

[(1, 201091385), (5, 40218277), (11, 18281035), (17, 11828905), (55, 3656207), (85, 2365781), (187, 1075355), (449, 447865), (479, 419815), (935, 215071), (2245, 89573), (2395, 83963), (4939, 40715), (5269, 38165), (7633, 26345), (8143, 24695)]