216740500921

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{13457}}^1\times {\mathrm{8017}}^1$

素因数の和:21529

約数の個数: 24

約数和(自身を含む): 258327548136

約数和(自身を除く): 41587047215

約数列:

[1, 7, 41, 49, 287, 2009, 8017, 13457, 56119, 94199, 328697, 392833, 551737, 659393, 2300879, 3862159, 16106153, 27035113, 107884769, 755193383, 4423275529, 5286353681, 30962928703, 216740500921]

約数ペア:

[(1, 216740500921), (7, 30962928703), (41, 5286353681), (49, 4423275529), (287, 755193383), (2009, 107884769), (8017, 27035113), (13457, 16106153), (56119, 3862159), (94199, 2300879), (328697, 659393), (392833, 551737)]