297500866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 487428480

約数和(自身を除く): 189927614

約数列:

[1, 2, 13, 26, 139, 263, 278, 313, 526, 626, 1807, 3419, 3614, 4069, 6838, 8138, 36557, 43507, 73114, 82319, 87014, 164638, 475241, 565591, 950482, 1070147, 1131182, 2140294, 11442341, 22884682, 148750433, 297500866]

約数ペア:

[(1, 297500866), (2, 148750433), (13, 22884682), (26, 11442341), (139, 2140294), (263, 1131182), (278, 1070147), (313, 950482), (526, 565591), (626, 475241), (1807, 164638), (3419, 87014), (3614, 82319), (4069, 73114), (6838, 43507), (8138, 36557)]