78191356

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 139160000

約数和(自身を除く): 60968644

約数列:

[1, 2, 4, 79, 158, 316, 349, 698, 709, 1396, 1418, 2836, 27571, 55142, 56011, 110284, 112022, 224044, 247441, 494882, 989764, 19547839, 39095678, 78191356]

約数ペア:

[(1, 78191356), (2, 39095678), (4, 19547839), (79, 989764), (158, 494882), (316, 247441), (349, 224044), (698, 112022), (709, 110284), (1396, 56011), (1418, 55142), (2836, 27571)]