261011212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6469}}^1$

素因数の和:6622

約数の個数: 48

約数和(自身を含む): 573914880

約数和(自身を除く): 312903668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 524, 917, 1441, 1834, 2882, 3668, 5764, 6469, 10087, 12938, 20174, 25876, 40348, 45283, 71159, 90566, 142318, 181132, 284636, 498113, 847439, 996226, 1694878, 1992452, 3389756, 5932073, 9321829, 11864146, 18643658, 23728292, 37287316, 65252803, 130505606, 261011212]

約数ペア:

[(1, 261011212), (2, 130505606), (4, 65252803), (7, 37287316), (11, 23728292), (14, 18643658), (22, 11864146), (28, 9321829), (44, 5932073), (77, 3389756), (131, 1992452), (154, 1694878), (262, 996226), (308, 847439), (524, 498113), (917, 284636), (1441, 181132), (1834, 142318), (2882, 90566), (3668, 71159), (5764, 45283), (6469, 40348), (10087, 25876), (12938, 20174)]