1561587769

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{28001}}^1$

素因数の和:28296

約数の個数: 16

約数和(自身を含む): 1849476096

約数和(自身を除く): 287888327

約数列:

[1, 7, 31, 217, 257, 1799, 7967, 28001, 55769, 196007, 868031, 6076217, 7196257, 50373799, 223083967, 1561587769]

約数ペア:

[(1, 1561587769), (7, 223083967), (31, 50373799), (217, 7196257), (257, 6076217), (1799, 868031), (7967, 196007), (28001, 55769)]