340897249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 438451200

約数和(自身を除く): 97553951

約数列:

[1, 7, 11, 43, 77, 149, 301, 473, 691, 1043, 1639, 3311, 4837, 6407, 7601, 11473, 29713, 44849, 53207, 70477, 102959, 207991, 326843, 493339, 720713, 1132549, 2287901, 4427237, 7927843, 30990659, 48699607, 340897249]

約数ペア:

[(1, 340897249), (7, 48699607), (11, 30990659), (43, 7927843), (77, 4427237), (149, 2287901), (301, 1132549), (473, 720713), (691, 493339), (1043, 326843), (1639, 207991), (3311, 102959), (4837, 70477), (6407, 53207), (7601, 44849), (11473, 29713)]