80981556

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{156941}}^1$

素因数の和:156991

約数の個数: 24

約数和(自身を含む): 193352544

約数和(自身を除く): 112370988

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 156941, 313882, 470823, 627764, 941646, 1883292, 6748463, 13496926, 20245389, 26993852, 40490778, 80981556]

約数ペア:

[(1, 80981556), (2, 40490778), (3, 26993852), (4, 20245389), (6, 13496926), (12, 6748463), (43, 1883292), (86, 941646), (129, 627764), (172, 470823), (258, 313882), (516, 156941)]