381718799

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 505999872

約数和(自身を除く): 124281073

約数列:

[1, 7, 11, 17, 77, 119, 187, 331, 881, 1309, 2317, 3641, 5627, 6167, 9691, 14977, 25487, 39389, 61897, 67837, 104839, 164747, 291611, 433279, 1153229, 2041277, 3207721, 4957387, 22454047, 34701709, 54531257, 381718799]

約数ペア:

[(1, 381718799), (7, 54531257), (11, 34701709), (17, 22454047), (77, 4957387), (119, 3207721), (187, 2041277), (331, 1153229), (881, 433279), (1309, 291611), (2317, 164747), (3641, 104839), (5627, 67837), (6167, 61897), (9691, 39389), (14977, 25487)]