81322864

素因数分解:

$2^4\times 7^1\times {\mathrm{726097}}^1$

素因数の和:726112

約数の個数: 20

約数和(自身を含む): 180072304

約数和(自身を除く): 98749440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726097, 1452194, 2904388, 5082679, 5808776, 10165358, 11617552, 20330716, 40661432, 81322864]

約数ペア:

[(1, 81322864), (2, 40661432), (4, 20330716), (7, 11617552), (8, 10165358), (14, 5808776), (16, 5082679), (28, 2904388), (56, 1452194), (112, 726097)]