222729647

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{239237}}^1$

素因数の和:239270

約数の個数: 12

約数和(自身を含む): 272731320

約数和(自身を除く): 50001673

約数列:

[1, 7, 19, 49, 133, 931, 239237, 1674659, 4545503, 11722613, 31818521, 222729647]

約数ペア:

[(1, 222729647), (7, 31818521), (19, 11722613), (49, 4545503), (133, 1674659), (931, 239237)]