66740656

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{43003}}^1$

素因数の和:43108

約数の個数: 20

約数和(自身を含む): 130646152

約数和(自身を除く): 63905496

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 43003, 86006, 172012, 344024, 688048, 4171291, 8342582, 16685164, 33370328, 66740656]

約数ペア:

[(1, 66740656), (2, 33370328), (4, 16685164), (8, 8342582), (16, 4171291), (97, 688048), (194, 344024), (388, 172012), (776, 86006), (1552, 43003)]