28797392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138449}}^1$

素因数の和:138470

約数の個数: 20

約数和(自身を含む): 60087300

約数和(自身を除く): 31289908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138449, 276898, 553796, 1107592, 1799837, 2215184, 3599674, 7199348, 14398696, 28797392]

約数ペア:

[(1, 28797392), (2, 14398696), (4, 7199348), (8, 3599674), (13, 2215184), (16, 1799837), (26, 1107592), (52, 553796), (104, 276898), (208, 138449)]