268980478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{154409}}^1$

素因数の和:154491

約数の個数: 16

約数和(自身を含む): 440994960

約数和(自身を除く): 172014482

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 154409, 308818, 2007317, 4014634, 10345403, 20690806, 134490239, 268980478]

約数ペア:

[(1, 268980478), (2, 134490239), (13, 20690806), (26, 10345403), (67, 4014634), (134, 2007317), (871, 308818), (1742, 154409)]