205816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 415800

約数和(自身を除く): 209984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1979, 3958, 7916, 15832, 25727, 51454, 102908, 205816]

約数ペア:

[(1, 205816), (2, 102908), (4, 51454), (8, 25727), (13, 15832), (26, 7916), (52, 3958), (104, 1979)]