287157026

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{2521}}^1$

素因数の和:2886

約数の個数: 24

約数和(自身を含む): 467987364

約数和(自身を除く): 180830338

約数列:

[1, 2, 13, 26, 169, 337, 338, 674, 2521, 4381, 5042, 8762, 32773, 56953, 65546, 113906, 426049, 849577, 852098, 1699154, 11044501, 22089002, 143578513, 287157026]

約数ペア:

[(1, 287157026), (2, 143578513), (13, 22089002), (26, 11044501), (169, 1699154), (337, 852098), (338, 849577), (674, 426049), (2521, 113906), (4381, 65546), (5042, 56953), (8762, 32773)]