2109173857

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{17117}}^1$

素因数の和:17760

約数の個数: 16

約数和(自身を含む): 2497858560

約数和(自身を除く): 388684703

約数列:

[1, 7, 29, 203, 607, 4249, 17117, 17603, 119819, 123221, 496393, 3474751, 10390019, 72730133, 301310551, 2109173857]

約数ペア:

[(1, 2109173857), (7, 301310551), (29, 72730133), (203, 10390019), (607, 3474751), (4249, 496393), (17117, 123221), (17603, 119819)]