1955148881

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{7121}}^1$

素因数の和:7832

約数の個数: 16

約数和(自身を含む): 2274937728

約数和(自身を除く): 319788847

約数列:

[1, 7, 61, 427, 643, 4501, 7121, 39223, 49847, 274561, 434381, 3040667, 4578803, 32051621, 279306983, 1955148881]

約数ペア:

[(1, 1955148881), (7, 279306983), (61, 32051621), (427, 4578803), (643, 3040667), (4501, 434381), (7121, 274561), (39223, 49847)]