16687972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25913}}^1$

素因数の和:25947

約数の個数: 24

約数和(自身を含む): 34828416

約数和(自身を除く): 18140444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 25913, 51826, 103652, 181391, 362782, 595999, 725564, 1191998, 2383996, 4171993, 8343986, 16687972]

約数ペア:

[(1, 16687972), (2, 8343986), (4, 4171993), (7, 2383996), (14, 1191998), (23, 725564), (28, 595999), (46, 362782), (92, 181391), (161, 103652), (322, 51826), (644, 25913)]