81187416

素因数分解:

$2^3\times 3^2\times {\mathrm{1127603}}^1$

素因数の和:1127615

約数の個数: 24

約数和(自身を含む): 219882780

約数和(自身を除く): 138695364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1127603, 2255206, 3382809, 4510412, 6765618, 9020824, 10148427, 13531236, 20296854, 27062472, 40593708, 81187416]

約数ペア:

[(1, 81187416), (2, 40593708), (3, 27062472), (4, 20296854), (6, 13531236), (8, 10148427), (9, 9020824), (12, 6765618), (18, 4510412), (24, 3382809), (36, 2255206), (72, 1127603)]