290707921

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{2111}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 337379328

約数和(自身を除く): 46671407

約数列:

[1, 7, 103, 191, 721, 1337, 2111, 14777, 19673, 137711, 217433, 403201, 1522031, 2822407, 41529703, 290707921]

約数ペア:

[(1, 290707921), (7, 41529703), (103, 2822407), (191, 1522031), (721, 403201), (1337, 217433), (2111, 137711), (14777, 19673)]