156912982

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{3061}}^1$

素因数の和:3172

約数の個数: 24

約数和(自身を含む): 251990352

約数和(自身を除く): 95077370

約数列:

[1, 2, 19, 38, 71, 142, 361, 722, 1349, 2698, 3061, 6122, 25631, 51262, 58159, 116318, 217331, 434662, 1105021, 2210042, 4129289, 8258578, 78456491, 156912982]

約数ペア:

[(1, 156912982), (2, 78456491), (19, 8258578), (38, 4129289), (71, 2210042), (142, 1105021), (361, 434662), (722, 217331), (1349, 116318), (2698, 58159), (3061, 51262), (6122, 25631)]