28131272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{270493}}^1$

素因数の和:270512

約数の個数: 16

約数和(自身を含む): 56803740

約数和(自身を除く): 28672468

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 270493, 540986, 1081972, 2163944, 3516409, 7032818, 14065636, 28131272]

約数ペア:

[(1, 28131272), (2, 14065636), (4, 7032818), (8, 3516409), (13, 2163944), (26, 1081972), (52, 540986), (104, 270493)]