291223393

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 323917056

約数和(自身を除く): 32693663

約数列:

[1, 19, 31, 53, 361, 491, 589, 1007, 1643, 9329, 11191, 15221, 19133, 26023, 31217, 177251, 289199, 494437, 593123, 806713, 5494781, 9394303, 15327547, 291223393]

約数ペア:

[(1, 291223393), (19, 15327547), (31, 9394303), (53, 5494781), (361, 806713), (491, 593123), (589, 494437), (1007, 289199), (1643, 177251), (9329, 31217), (11191, 26023), (15221, 19133)]