25911193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 8648807

約数列:

[1, 7, 11, 19, 77, 89, 133, 199, 209, 623, 979, 1393, 1463, 1691, 2189, 3781, 6853, 11837, 15323, 17711, 18601, 26467, 41591, 123977, 130207, 194821, 291137, 336509, 1363747, 2355563, 3701599, 25911193]

約数ペア:

[(1, 25911193), (7, 3701599), (11, 2355563), (19, 1363747), (77, 336509), (89, 291137), (133, 194821), (199, 130207), (209, 123977), (623, 41591), (979, 26467), (1393, 18601), (1463, 17711), (1691, 15323), (2189, 11837), (3781, 6853)]