81560398

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{14009}}^1$

素因数の和:14123

約数の個数: 16

約数和(自身を含む): 127098720

約数和(自身を除く): 45538322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 5822, 14009, 28018, 574369, 994639, 1148738, 1989278, 40780199, 81560398]

約数ペア:

[(1, 81560398), (2, 40780199), (41, 1989278), (71, 1148738), (82, 994639), (142, 574369), (2911, 28018), (5822, 14009)]