8719921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 10660608

約数和(自身を除く): 1940687

約数列:

[1, 7, 23, 41, 161, 287, 943, 1321, 6601, 9247, 30383, 54161, 212681, 379127, 1245703, 8719921]

約数ペア:

[(1, 8719921), (7, 1245703), (23, 379127), (41, 212681), (161, 54161), (287, 30383), (943, 9247), (1321, 6601)]