28667132

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42407}}^1$

素因数の和:42437

約数の個数: 18

約数和(自身を含む): 54324648

約数和(自身を除く): 25657516

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42407, 84814, 169628, 551291, 1102582, 2205164, 7166783, 14333566, 28667132]

約数ペア:

[(1, 28667132), (2, 14333566), (4, 7166783), (13, 2205164), (26, 1102582), (52, 551291), (169, 169628), (338, 84814), (676, 42407)]