81133136

素因数分解:

$2^4\times 7^1\times {\mathrm{724403}}^1$

素因数の和:724418

約数の個数: 20

約数和(自身を含む): 179652192

約数和(自身を除く): 98519056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724403, 1448806, 2897612, 5070821, 5795224, 10141642, 11590448, 20283284, 40566568, 81133136]

約数ペア:

[(1, 81133136), (2, 40566568), (4, 20283284), (7, 11590448), (8, 10141642), (14, 5795224), (16, 5070821), (28, 2897612), (56, 1448806), (112, 724403)]