28269488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135911}}^1$

素因数の和:135932

約数の個数: 20

約数和(自身を含む): 58985808

約数和(自身を除く): 30716320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135911, 271822, 543644, 1087288, 1766843, 2174576, 3533686, 7067372, 14134744, 28269488]

約数ペア:

[(1, 28269488), (2, 14134744), (4, 7067372), (8, 3533686), (13, 2174576), (16, 1766843), (26, 1087288), (52, 543644), (104, 271822), (208, 135911)]