131278376

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 249968640

約数和(自身を除く): 118690264

約数列:

[1, 2, 4, 8, 127, 157, 254, 314, 508, 628, 823, 1016, 1256, 1646, 3292, 6584, 19939, 39878, 79756, 104521, 129211, 159512, 209042, 258422, 418084, 516844, 836168, 1033688, 16409797, 32819594, 65639188, 131278376]

約数ペア:

[(1, 131278376), (2, 65639188), (4, 32819594), (8, 16409797), (127, 1033688), (157, 836168), (254, 516844), (314, 418084), (508, 258422), (628, 209042), (823, 159512), (1016, 129211), (1256, 104521), (1646, 79756), (3292, 39878), (6584, 19939)]