25189791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 12826209

約数列:

[1, 3, 11, 33, 47, 109, 141, 149, 327, 447, 517, 1199, 1551, 1639, 3597, 4917, 5123, 7003, 15369, 16241, 21009, 48723, 56353, 77033, 169059, 178651, 231099, 535953, 763327, 2289981, 8396597, 25189791]

約数ペア:

[(1, 25189791), (3, 8396597), (11, 2289981), (33, 763327), (47, 535953), (109, 231099), (141, 178651), (149, 169059), (327, 77033), (447, 56353), (517, 48723), (1199, 21009), (1551, 16241), (1639, 15369), (3597, 7003), (4917, 5123)]