28909816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{21383}}^1$

素因数の和:21415

約数の個数: 24

約数和(自身を含む): 58699080

約数和(自身を除く): 29789264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 21383, 42766, 85532, 171064, 277979, 555958, 1111916, 2223832, 3613727, 7227454, 14454908, 28909816]

約数ペア:

[(1, 28909816), (2, 14454908), (4, 7227454), (8, 3613727), (13, 2223832), (26, 1111916), (52, 555958), (104, 277979), (169, 171064), (338, 85532), (676, 42766), (1352, 21383)]