2528878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1703

約数の個数: 16

約数和(自身を含む): 4199040

約数和(自身を除く): 1670162

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 1619, 3238, 17809, 35618, 114949, 229898, 1264439, 2528878]

約数ペア:

[(1, 2528878), (2, 1264439), (11, 229898), (22, 114949), (71, 35618), (142, 17809), (781, 3238), (1562, 1619)]