51638158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 92316672

約数和(自身を除く): 40678514

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1562, 1846, 2543, 5086, 10153, 20306, 27973, 33059, 55946, 66118, 180553, 361106, 363649, 727298, 1986083, 2347189, 3972166, 4694378, 25819079, 51638158]

約数ペア:

[(1, 51638158), (2, 25819079), (11, 4694378), (13, 3972166), (22, 2347189), (26, 1986083), (71, 727298), (142, 363649), (143, 361106), (286, 180553), (781, 66118), (923, 55946), (1562, 33059), (1846, 27973), (2543, 20306), (5086, 10153)]