2781922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 5007744

約数和(自身を除く): 2225822

約数列:

[1, 2, 11, 13, 22, 26, 71, 137, 142, 143, 274, 286, 781, 923, 1507, 1562, 1781, 1846, 3014, 3562, 9727, 10153, 19454, 19591, 20306, 39182, 106997, 126451, 213994, 252902, 1390961, 2781922]

約数ペア:

[(1, 2781922), (2, 1390961), (11, 252902), (13, 213994), (22, 126451), (26, 106997), (71, 39182), (137, 20306), (142, 19591), (143, 19454), (274, 10153), (286, 9727), (781, 3562), (923, 3014), (1507, 1846), (1562, 1781)]