28810288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138511}}^1$

素因数の和:138532

約数の個数: 20

約数和(自身を含む): 60114208

約数和(自身を除く): 31303920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138511, 277022, 554044, 1108088, 1800643, 2216176, 3601286, 7202572, 14405144, 28810288]

約数ペア:

[(1, 28810288), (2, 14405144), (4, 7202572), (8, 3601286), (13, 2216176), (16, 1800643), (26, 1108088), (52, 554044), (104, 277022), (208, 138511)]