15980848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{76831}}^1$

素因数の和:76852

約数の個数: 20

約数和(自身を含む): 33345088

約数和(自身を除く): 17364240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 76831, 153662, 307324, 614648, 998803, 1229296, 1997606, 3995212, 7990424, 15980848]

約数ペア:

[(1, 15980848), (2, 7990424), (4, 3995212), (8, 1997606), (13, 1229296), (16, 998803), (26, 614648), (52, 307324), (104, 153662), (208, 76831)]