81400656

素因数分解:

$2^4\times 3^1\times {\mathrm{1695847}}^1$

素因数の和:1695858

約数の個数: 20

約数和(自身を含む): 210285152

約数和(自身を除く): 128884496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1695847, 3391694, 5087541, 6783388, 10175082, 13566776, 20350164, 27133552, 40700328, 81400656]

約数ペア:

[(1, 81400656), (2, 40700328), (3, 27133552), (4, 20350164), (6, 13566776), (8, 10175082), (12, 6783388), (16, 5087541), (24, 3391694), (48, 1695847)]