7856555978

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{142231}}^1$

素因数の和:142693

約数の個数: 16

約数和(自身を含む): 11981623680

約数和(自身を除く): 4125067702

約数列:

[1, 2, 71, 142, 389, 778, 27619, 55238, 142231, 284462, 10098401, 20196802, 55327859, 110655718, 3928277989, 7856555978]

約数ペア:

[(1, 7856555978), (2, 3928277989), (71, 110655718), (142, 55327859), (389, 20196802), (778, 10098401), (27619, 284462), (55238, 142231)]