78820987676

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{277538689}}^1$

素因数の和:277538764

約数の個数: 12

約数和(自身を含む): 139879499760

約数和(自身を除く): 61058512084

約数列:

[1, 2, 4, 71, 142, 284, 277538689, 555077378, 1110154756, 19705246919, 39410493838, 78820987676]

約数ペア:

[(1, 78820987676), (2, 39410493838), (4, 19705246919), (71, 1110154756), (142, 555077378), (284, 277538689)]