31996558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 54172800

約数和(自身を除く): 22176242

約数列:

[1, 2, 11, 22, 43, 86, 149, 227, 298, 454, 473, 946, 1639, 2497, 3278, 4994, 6407, 9761, 12814, 19522, 33823, 67646, 70477, 107371, 140954, 214742, 372053, 744106, 1454389, 2908778, 15998279, 31996558]

約数ペア:

[(1, 31996558), (2, 15998279), (11, 2908778), (22, 1454389), (43, 744106), (86, 372053), (149, 214742), (227, 140954), (298, 107371), (454, 70477), (473, 67646), (946, 33823), (1639, 19522), (2497, 12814), (3278, 9761), (4994, 6407)]