1288996878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16525601}}^1$

素因数の和:16525619

約数の個数: 16

約数和(自身を含む): 2776301136

約数和(自身を除く): 1487304258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 16525601, 33051202, 49576803, 99153606, 214832813, 429665626, 644498439, 1288996878]

約数ペア:

[(1, 1288996878), (2, 644498439), (3, 429665626), (6, 214832813), (13, 99153606), (26, 49576803), (39, 33051202), (78, 16525601)]