66740816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97007}}^1$

素因数の和:97058

約数の個数: 20

約数和(自身を含む): 132318912

約数和(自身を除く): 65578096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 97007, 194014, 388028, 776056, 1552112, 4171301, 8342602, 16685204, 33370408, 66740816]

約数ペア:

[(1, 66740816), (2, 33370408), (4, 16685204), (8, 8342602), (16, 4171301), (43, 1552112), (86, 776056), (172, 388028), (344, 194014), (688, 97007)]