210881503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 261144576

約数和(自身を除く): 50263073

約数列:

[1, 7, 23, 43, 83, 161, 301, 367, 581, 989, 1909, 2569, 3569, 6923, 8441, 13363, 15781, 24983, 30461, 59087, 82087, 110467, 213227, 362963, 574609, 700603, 1309823, 2540741, 4904221, 9168761, 30125929, 210881503]

約数ペア:

[(1, 210881503), (7, 30125929), (23, 9168761), (43, 4904221), (83, 2540741), (161, 1309823), (301, 700603), (367, 574609), (581, 362963), (989, 213227), (1909, 110467), (2569, 82087), (3569, 59087), (6923, 30461), (8441, 24983), (13363, 15781)]