161091196

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{15937}}^1$

素因数の和:15986

約数の個数: 36

約数和(自身を含む): 340053168

約数和(自身を除く): 178961972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 15937, 31874, 63748, 111559, 223118, 302803, 446236, 605606, 1211212, 2119621, 4239242, 5753257, 8478484, 11506514, 23013028, 40272799, 80545598, 161091196]

約数ペア:

[(1, 161091196), (2, 80545598), (4, 40272799), (7, 23013028), (14, 11506514), (19, 8478484), (28, 5753257), (38, 4239242), (76, 2119621), (133, 1211212), (266, 605606), (361, 446236), (532, 302803), (722, 223118), (1444, 111559), (2527, 63748), (5054, 31874), (10108, 15937)]