31487868

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20341}}^1$

素因数の和:20394

約数の個数: 36

約数和(自身を含む): 81449368

約数和(自身を除く): 49961500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 20341, 40682, 61023, 81364, 122046, 183069, 244092, 366138, 732276, 874663, 1749326, 2623989, 3498652, 5247978, 7871967, 10495956, 15743934, 31487868]

約数ペア:

[(1, 31487868), (2, 15743934), (3, 10495956), (4, 7871967), (6, 5247978), (9, 3498652), (12, 2623989), (18, 1749326), (36, 874663), (43, 732276), (86, 366138), (129, 244092), (172, 183069), (258, 122046), (387, 81364), (516, 61023), (774, 40682), (1548, 20341)]