80397772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220873}}^1$

素因数の和:220897

約数の個数: 24

約数和(自身を含む): 173165216

約数和(自身を除く): 92767444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 220873, 441746, 883492, 1546111, 2871349, 3092222, 5742698, 6184444, 11485396, 20099443, 40198886, 80397772]

約数ペア:

[(1, 80397772), (2, 40198886), (4, 20099443), (7, 11485396), (13, 6184444), (14, 5742698), (26, 3092222), (28, 2871349), (52, 1546111), (91, 883492), (182, 441746), (364, 220873)]