128676892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{20399}}^1$

素因数の和:20505

約数の個数: 24

約数和(自身を含む): 239904000

約数和(自身を除く): 111227108

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 6308, 20399, 40798, 81596, 387581, 775162, 1550324, 1693117, 3386234, 6772468, 32169223, 64338446, 128676892]

約数ペア:

[(1, 128676892), (2, 64338446), (4, 32169223), (19, 6772468), (38, 3386234), (76, 1693117), (83, 1550324), (166, 775162), (332, 387581), (1577, 81596), (3154, 40798), (6308, 20399)]