66695984

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{30427}}^1$

素因数の和:30572

約数の個数: 20

約数和(自身を含む): 130170984

約数和(自身を除く): 63475000

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 30427, 60854, 121708, 243416, 486832, 4168499, 8336998, 16673996, 33347992, 66695984]

約数ペア:

[(1, 66695984), (2, 33347992), (4, 16673996), (8, 8336998), (16, 4168499), (137, 486832), (274, 243416), (548, 121708), (1096, 60854), (2192, 30427)]