78851078

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{2357}}^1$

素因数の和:2791

約数の個数: 16

約数和(自身を含む): 121389840

約数和(自身を除く): 42538762

約数列:

[1, 2, 43, 86, 389, 778, 2357, 4714, 16727, 33454, 101351, 202702, 916873, 1833746, 39425539, 78851078]

約数ペア:

[(1, 78851078), (2, 39425539), (43, 1833746), (86, 916873), (389, 202702), (778, 101351), (2357, 33454), (4714, 16727)]