209804556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1344901}}^1$

素因数の和:1344921

約数の個数: 24

約数和(自身を含む): 527201584

約数和(自身を除く): 317397028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1344901, 2689802, 4034703, 5379604, 8069406, 16138812, 17483713, 34967426, 52451139, 69934852, 104902278, 209804556]

約数ペア:

[(1, 209804556), (2, 104902278), (3, 69934852), (4, 52451139), (6, 34967426), (12, 17483713), (13, 16138812), (26, 8069406), (39, 5379604), (52, 4034703), (78, 2689802), (156, 1344901)]