163957213

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{42509}}^1$

素因数の和:42564

約数の個数: 16

約数和(自身を含む): 204048000

約数和(自身を除く): 40090787

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 42509, 297563, 807671, 1232761, 5653697, 8629327, 23422459, 163957213]

約数ペア:

[(1, 163957213), (7, 23422459), (19, 8629327), (29, 5653697), (133, 1232761), (203, 807671), (551, 297563), (3857, 42509)]