28205164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17497}}^1$

素因数の和:17545

約数の個数: 24

約数和(自身を含む): 54873728

約数和(自身を除く): 26668564

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 17497, 34994, 69988, 227461, 454922, 542407, 909844, 1084814, 2169628, 7051291, 14102582, 28205164]

約数ペア:

[(1, 28205164), (2, 14102582), (4, 7051291), (13, 2169628), (26, 1084814), (31, 909844), (52, 542407), (62, 454922), (124, 227461), (403, 69988), (806, 34994), (1612, 17497)]