80778854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72253}}^1$

素因数の和:72311

約数の個数: 16

約数和(自身を含む): 133525392

約数和(自身を除く): 52746538

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72253, 144506, 939289, 1878578, 3106879, 6213758, 40389427, 80778854]

約数ペア:

[(1, 80778854), (2, 40389427), (13, 6213758), (26, 3106879), (43, 1878578), (86, 939289), (559, 144506), (1118, 72253)]