208977992

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2897}}^1$

素因数の和:3101

約数の個数: 32

約数和(自身を含む): 400619520

約数和(自身を除く): 191641528

約数列:

[1, 2, 4, 8, 71, 127, 142, 254, 284, 508, 568, 1016, 2897, 5794, 9017, 11588, 18034, 23176, 36068, 72136, 205687, 367919, 411374, 735838, 822748, 1471676, 1645496, 2943352, 26122249, 52244498, 104488996, 208977992]

約数ペア:

[(1, 208977992), (2, 104488996), (4, 52244498), (8, 26122249), (71, 2943352), (127, 1645496), (142, 1471676), (254, 822748), (284, 735838), (508, 411374), (568, 367919), (1016, 205687), (2897, 72136), (5794, 36068), (9017, 23176), (11588, 18034)]