2139804976

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{343799}}^1$

素因数の和:344196

約数の個数: 20

約数和(自身を含む): 4156542000

約数和(自身を除く): 2016737024

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 343799, 687598, 1375196, 2750392, 5500784, 133737811, 267475622, 534951244, 1069902488, 2139804976]

約数ペア:

[(1, 2139804976), (2, 1069902488), (4, 534951244), (8, 267475622), (16, 133737811), (389, 5500784), (778, 2750392), (1556, 1375196), (3112, 687598), (6224, 343799)]