51869818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 105091776

約数和(自身を除く): 53221958

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 1001, 1183, 1859, 1993, 2002, 2366, 3718, 3986, 13013, 13951, 21923, 25909, 26026, 27902, 43846, 51818, 153461, 181363, 284999, 306922, 336817, 362726, 569998, 673634, 1994993, 2357719, 3704987, 3989986, 4715438, 7409974, 25934909, 51869818]

約数ペア:

[(1, 51869818), (2, 25934909), (7, 7409974), (11, 4715438), (13, 3989986), (14, 3704987), (22, 2357719), (26, 1994993), (77, 673634), (91, 569998), (143, 362726), (154, 336817), (169, 306922), (182, 284999), (286, 181363), (338, 153461), (1001, 51818), (1183, 43846), (1859, 27902), (1993, 26026), (2002, 25909), (2366, 21923), (3718, 13951), (3986, 13013)]