51191426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 91518336

約数和(自身を除く): 40326910

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1562, 1846, 2521, 5042, 10153, 20306, 27731, 32773, 55462, 65546, 178991, 357982, 360503, 721006, 1968901, 2326883, 3937802, 4653766, 25595713, 51191426]

約数ペア:

[(1, 51191426), (2, 25595713), (11, 4653766), (13, 3937802), (22, 2326883), (26, 1968901), (71, 721006), (142, 360503), (143, 357982), (286, 178991), (781, 65546), (923, 55462), (1562, 32773), (1846, 27731), (2521, 20306), (5042, 10153)]