1909681921

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{4472323}}^1$

素因数の和:4472391

約数の個数: 8

約数和(自身を含む): 2218272704

約数和(自身を除く): 308590783

約数列:

[1, 7, 61, 427, 4472323, 31306261, 272811703, 1909681921]

約数ペア:

[(1, 1909681921), (7, 272811703), (61, 31306261), (427, 4472323)]