16940581

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 20680704

約数和(自身を除く): 3740123

約数列:

[1, 7, 23, 43, 161, 301, 989, 2447, 6923, 17129, 56281, 105221, 393967, 736547, 2420083, 16940581]

約数ペア:

[(1, 16940581), (7, 2420083), (23, 736547), (43, 393967), (161, 105221), (301, 56281), (989, 17129), (2447, 6923)]