128918570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{4231}}^1$

素因数の和:4526

約数の個数: 32

約数和(自身を含む): 254123136

約数和(自身を除く): 125204566

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 1385, 2770, 3047, 4231, 6094, 8462, 15235, 21155, 30470, 42310, 46541, 93082, 232705, 465410, 1171987, 2343974, 5859935, 11719870, 12891857, 25783714, 64459285, 128918570]

約数ペア:

[(1, 128918570), (2, 64459285), (5, 25783714), (10, 12891857), (11, 11719870), (22, 5859935), (55, 2343974), (110, 1171987), (277, 465410), (554, 232705), (1385, 93082), (2770, 46541), (3047, 42310), (4231, 30470), (6094, 21155), (8462, 15235)]