1980902

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 3905280

約数和(自身を除く): 1924378

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 677, 1354, 1463, 2926, 4739, 7447, 9478, 12863, 14894, 25726, 52129, 90041, 104258, 141493, 180082, 282986, 990451, 1980902]

約数ペア:

[(1, 1980902), (2, 990451), (7, 282986), (11, 180082), (14, 141493), (19, 104258), (22, 90041), (38, 52129), (77, 25726), (133, 14894), (154, 12863), (209, 9478), (266, 7447), (418, 4739), (677, 2926), (1354, 1463)]