78878018

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{5393}}^1$

素因数の和:5569

約数の個数: 16

約数和(自身を含む): 121170816

約数和(自身を除く): 42292798

約数列:

[1, 2, 71, 103, 142, 206, 5393, 7313, 10786, 14626, 382903, 555479, 765806, 1110958, 39439009, 78878018]

約数ペア:

[(1, 78878018), (2, 39439009), (71, 1110958), (103, 765806), (142, 555479), (206, 382903), (5393, 14626), (7313, 10786)]