12581989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4597}}^1$

素因数の和:4644

約数の個数: 16

約数和(自身を含む): 15890688

約数和(自身を除く): 3308699

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 4597, 32179, 78149, 105731, 547043, 740117, 1797427, 12581989]

約数ペア:

[(1, 12581989), (7, 1797427), (17, 740117), (23, 547043), (119, 105731), (161, 78149), (391, 32179), (2737, 4597)]