71906276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20639}}^1$

素因数の和:20723

約数の個数: 24

約数和(自身を含む): 137544960

約数和(自身を除く): 65638684

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 20639, 41278, 82556, 268307, 536614, 1073228, 1382813, 2765626, 5531252, 17976569, 35953138, 71906276]

約数ペア:

[(1, 71906276), (2, 35953138), (4, 17976569), (13, 5531252), (26, 2765626), (52, 1382813), (67, 1073228), (134, 536614), (268, 268307), (871, 82556), (1742, 41278), (3484, 20639)]