12801778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{15727}}^1$

素因数の和:15777

約数の個数: 16

約数和(自身を含む): 21515904

約数和(自身を除く): 8714126

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 15727, 31454, 172997, 345994, 581899, 1163798, 6400889, 12801778]

約数ペア:

[(1, 12801778), (2, 6400889), (11, 1163798), (22, 581899), (37, 345994), (74, 172997), (407, 31454), (814, 15727)]