81291938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3517}}^1$

素因数の和:3666

約数の個数: 32

約数和(自身を含む): 151302144

約数和(自身を除く): 70010206

約数列:

[1, 2, 7, 13, 14, 26, 91, 127, 182, 254, 889, 1651, 1778, 3302, 3517, 7034, 11557, 23114, 24619, 45721, 49238, 91442, 320047, 446659, 640094, 893318, 3126613, 5806567, 6253226, 11613134, 40645969, 81291938]

約数ペア:

[(1, 81291938), (2, 40645969), (7, 11613134), (13, 6253226), (14, 5806567), (26, 3126613), (91, 893318), (127, 640094), (182, 446659), (254, 320047), (889, 91442), (1651, 49238), (1778, 45721), (3302, 24619), (3517, 23114), (7034, 11557)]