81249008

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{19759}}^1$

素因数の和:20024

約数の個数: 20

約数和(自身を含む): 158040480

約数和(自身を除く): 76791472

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 19759, 39518, 79036, 158072, 316144, 5078063, 10156126, 20312252, 40624504, 81249008]

約数ペア:

[(1, 81249008), (2, 40624504), (4, 20312252), (8, 10156126), (16, 5078063), (257, 316144), (514, 158072), (1028, 79036), (2056, 39518), (4112, 19759)]