25540151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 7457737

約数列:

[1, 7, 13, 43, 61, 91, 107, 301, 427, 559, 749, 793, 1391, 2623, 3913, 4601, 5551, 6527, 9737, 18361, 32207, 34099, 45689, 59813, 84851, 238693, 280661, 418691, 593957, 1964627, 3648593, 25540151]

約数ペア:

[(1, 25540151), (7, 3648593), (13, 1964627), (43, 593957), (61, 418691), (91, 280661), (107, 238693), (301, 84851), (427, 59813), (559, 45689), (749, 34099), (793, 32207), (1391, 18361), (2623, 9737), (3913, 6527), (4601, 5551)]