201319405

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1873}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 287126784

約数和(自身を除く): 85807379

約数列:

[1, 5, 7, 35, 37, 83, 185, 259, 415, 581, 1295, 1873, 2905, 3071, 9365, 13111, 15355, 21497, 65555, 69301, 107485, 155459, 346505, 485107, 777295, 1088213, 2425535, 5441065, 5751983, 28759915, 40263881, 201319405]

約数ペア:

[(1, 201319405), (5, 40263881), (7, 28759915), (35, 5751983), (37, 5441065), (83, 2425535), (185, 1088213), (259, 777295), (415, 485107), (581, 346505), (1295, 155459), (1873, 107485), (2905, 69301), (3071, 65555), (9365, 21497), (13111, 15355)]