201787691

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 245887488

約数和(自身を除く): 44099797

約数列:

[1, 7, 41, 43, 83, 197, 287, 301, 581, 1379, 1763, 3403, 3569, 8077, 8471, 12341, 16351, 23821, 24983, 56539, 59297, 114457, 146329, 347311, 670391, 703093, 1024303, 2431177, 4692737, 4921651, 28826813, 201787691]

約数ペア:

[(1, 201787691), (7, 28826813), (41, 4921651), (43, 4692737), (83, 2431177), (197, 1024303), (287, 703093), (301, 670391), (581, 347311), (1379, 146329), (1763, 114457), (3403, 59297), (3569, 56539), (8077, 24983), (8471, 23821), (12341, 16351)]