12996361

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 16215360

約数和(自身を除く): 3218999

約数列:

[1, 7, 19, 37, 133, 139, 259, 361, 703, 973, 2527, 2641, 4921, 5143, 13357, 18487, 36001, 50179, 93499, 97717, 351253, 684019, 1856623, 12996361]

約数ペア:

[(1, 12996361), (7, 1856623), (19, 684019), (37, 351253), (133, 97717), (139, 93499), (259, 50179), (361, 36001), (703, 18487), (973, 13357), (2527, 5143), (2641, 4921)]