211581244

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 438197760

約数和(自身を除く): 226616516

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 131, 148, 259, 262, 518, 524, 917, 1036, 1559, 1834, 3118, 3668, 4847, 6236, 9694, 10913, 19388, 21826, 33929, 43652, 57683, 67858, 115366, 135716, 204229, 230732, 403781, 408458, 807562, 816916, 1429603, 1615124, 2859206, 5718412, 7556473, 15112946, 30225892, 52895311, 105790622, 211581244]

約数ペア:

[(1, 211581244), (2, 105790622), (4, 52895311), (7, 30225892), (14, 15112946), (28, 7556473), (37, 5718412), (74, 2859206), (131, 1615124), (148, 1429603), (259, 816916), (262, 807562), (518, 408458), (524, 403781), (917, 230732), (1036, 204229), (1559, 135716), (1834, 115366), (3118, 67858), (3668, 57683), (4847, 43652), (6236, 33929), (9694, 21826), (10913, 19388)]