81671056

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{8273}}^1$

素因数の和:8898

約数の個数: 20

約数和(自身を含む): 158513292

約数和(自身を除く): 76842236

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 8273, 9872, 16546, 33092, 66184, 132368, 5104441, 10208882, 20417764, 40835528, 81671056]

約数ペア:

[(1, 81671056), (2, 40835528), (4, 20417764), (8, 10208882), (16, 5104441), (617, 132368), (1234, 66184), (2468, 33092), (4936, 16546), (8273, 9872)]