12972883

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 16254720

約数和(自身を除く): 3281837

約数列:

[1, 7, 11, 77, 331, 509, 2317, 3563, 3641, 5599, 25487, 39193, 168479, 1179353, 1853269, 12972883]

約数ペア:

[(1, 12972883), (7, 1853269), (11, 1179353), (77, 168479), (331, 39193), (509, 25487), (2317, 5599), (3563, 3641)]