25331579

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 35136000

約数和(自身を除く): 9804421

約数列:

[1, 7, 13, 19, 23, 49, 91, 133, 161, 169, 247, 299, 343, 437, 637, 931, 1127, 1183, 1729, 2093, 3059, 3211, 3887, 4459, 5681, 6517, 7889, 8281, 12103, 14651, 21413, 22477, 27209, 39767, 57967, 73853, 84721, 102557, 149891, 157339, 190463, 278369, 516971, 1101373, 1333241, 1948583, 3618797, 25331579]

約数ペア:

[(1, 25331579), (7, 3618797), (13, 1948583), (19, 1333241), (23, 1101373), (49, 516971), (91, 278369), (133, 190463), (161, 157339), (169, 149891), (247, 102557), (299, 84721), (343, 73853), (437, 57967), (637, 39767), (931, 27209), (1127, 22477), (1183, 21413), (1729, 14651), (2093, 12103), (3059, 8281), (3211, 7889), (3887, 6517), (4459, 5681)]