66791728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97081}}^1$

素因数の和:97132

約数の個数: 20

約数和(自身を含む): 132419848

約数和(自身を除く): 65628120

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 97081, 194162, 388324, 776648, 1553296, 4174483, 8348966, 16697932, 33395864, 66791728]

約数ペア:

[(1, 66791728), (2, 33395864), (4, 16697932), (8, 8348966), (16, 4174483), (43, 1553296), (86, 776648), (172, 388324), (344, 194162), (688, 97081)]