858591994

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{195401}}^1$

素因数の和:195442

約数の個数: 16

約数和(自身を含む): 1395170280

約数和(自身を除く): 536578286

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4394, 195401, 390802, 2540213, 5080426, 33022769, 66045538, 429295997, 858591994]

約数ペア:

[(1, 858591994), (2, 429295997), (13, 66045538), (26, 33022769), (169, 5080426), (338, 2540213), (2197, 390802), (4394, 195401)]