208270447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 273337344

約数和(自身を除く): 65066897

約数列:

[1, 7, 11, 37, 41, 77, 259, 287, 407, 451, 1517, 1783, 2849, 3157, 10619, 12481, 16687, 19613, 65971, 73103, 116809, 137291, 461797, 511721, 725681, 804133, 2704811, 5079767, 5628931, 18933677, 29752921, 208270447]

約数ペア:

[(1, 208270447), (7, 29752921), (11, 18933677), (37, 5628931), (41, 5079767), (77, 2704811), (259, 804133), (287, 725681), (407, 511721), (451, 461797), (1517, 137291), (1783, 116809), (2849, 73103), (3157, 65971), (10619, 19613), (12481, 16687)]