81190448

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{16529}}^1$

素因数の和:16844

約数の個数: 20

約数和(自身を含む): 157828440

約数和(自身を除く): 76637992

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 16529, 33058, 66116, 132232, 264464, 5074403, 10148806, 20297612, 40595224, 81190448]

約数ペア:

[(1, 81190448), (2, 40595224), (4, 20297612), (8, 10148806), (16, 5074403), (307, 264464), (614, 132232), (1228, 66116), (2456, 33058), (4912, 16529)]