42691765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 56246400

約数和(自身を除く): 13554635

約数列:

[1, 5, 19, 53, 61, 95, 139, 265, 305, 695, 1007, 1159, 2641, 3233, 5035, 5795, 7367, 8479, 13205, 16165, 36835, 42395, 61427, 139973, 161101, 307135, 449387, 699865, 805505, 2246935, 8538353, 42691765]

約数ペア:

[(1, 42691765), (5, 8538353), (19, 2246935), (53, 805505), (61, 699865), (95, 449387), (139, 307135), (265, 161101), (305, 139973), (695, 61427), (1007, 42395), (1159, 36835), (2641, 16165), (3233, 13205), (5035, 8479), (5795, 7367)]