28725944

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{21247}}^1$

素因数の和:21279

約数の個数: 24

約数和(自身を含む): 58325760

約数和(自身を除く): 29599816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 21247, 42494, 84988, 169976, 276211, 552422, 1104844, 2209688, 3590743, 7181486, 14362972, 28725944]

約数ペア:

[(1, 28725944), (2, 14362972), (4, 7181486), (8, 3590743), (13, 2209688), (26, 1104844), (52, 552422), (104, 276211), (169, 169976), (338, 84988), (676, 42494), (1352, 21247)]