68870745476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1973}}^1\times {\mathrm{51637}}^1$

素因数の和:53640

約数の個数: 36

約数和(自身を含む): 130576700772

約数和(自身を除く): 61705955296

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1973, 3946, 7892, 25649, 51298, 51637, 102596, 103274, 206548, 333437, 666874, 671281, 1333748, 1342562, 2685124, 8726653, 17453306, 34906612, 101879801, 203759602, 407519204, 1324437413, 2648874826, 5297749652, 17217686369, 34435372738, 68870745476]

約数ペア:

[(1, 68870745476), (2, 34435372738), (4, 17217686369), (13, 5297749652), (26, 2648874826), (52, 1324437413), (169, 407519204), (338, 203759602), (676, 101879801), (1973, 34906612), (3946, 17453306), (7892, 8726653), (25649, 2685124), (51298, 1342562), (51637, 1333748), (102596, 671281), (103274, 666874), (206548, 333437)]