1261963450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{208589}}^1$

素因数の和:208623

約数の個数: 36

約数和(自身を含む): 2580049710

約数和(自身を除く): 1318086260

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 6050, 208589, 417178, 1042945, 2085890, 2294479, 4588958, 5214725, 10429450, 11472395, 22944790, 25239269, 50478538, 57361975, 114723950, 126196345, 252392690, 630981725, 1261963450]

約数ペア:

[(1, 1261963450), (2, 630981725), (5, 252392690), (10, 126196345), (11, 114723950), (22, 57361975), (25, 50478538), (50, 25239269), (55, 22944790), (110, 11472395), (121, 10429450), (242, 5214725), (275, 4588958), (550, 2294479), (605, 2085890), (1210, 1042945), (3025, 417178), (6050, 208589)]