81888268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{265871}}^1$

素因数の和:265893

約数の個数: 24

約数和(自身を含む): 178665984

約数和(自身を除く): 96777716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 265871, 531742, 1063484, 1861097, 2924581, 3722194, 5849162, 7444388, 11698324, 20472067, 40944134, 81888268]

約数ペア:

[(1, 81888268), (2, 40944134), (4, 20472067), (7, 11698324), (11, 7444388), (14, 5849162), (22, 3722194), (28, 2924581), (44, 1861097), (77, 1063484), (154, 531742), (308, 265871)]