2981305439

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{21649}}^1$

素因数の和:21950

約数の個数: 16

約数和(自身を含む): 3458457600

約数和(自身を除く): 477152161

約数列:

[1, 7, 103, 191, 721, 1337, 19673, 21649, 137711, 151543, 2229847, 4134959, 15608929, 28944713, 425900777, 2981305439]

約数ペア:

[(1, 2981305439), (7, 425900777), (103, 28944713), (191, 15608929), (721, 4134959), (1337, 2229847), (19673, 151543), (21649, 137711)]