251383504

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{1913}}^1$

素因数の和:2155

約数の個数: 40

約数和(自身を含む): 501253632

約数和(自身を除く): 249870128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 191, 344, 382, 688, 764, 1528, 1913, 3056, 3826, 7652, 8213, 15304, 16426, 30608, 32852, 65704, 82259, 131408, 164518, 329036, 365383, 658072, 730766, 1316144, 1461532, 2923064, 5846128, 15711469, 31422938, 62845876, 125691752, 251383504]

約数ペア:

[(1, 251383504), (2, 125691752), (4, 62845876), (8, 31422938), (16, 15711469), (43, 5846128), (86, 2923064), (172, 1461532), (191, 1316144), (344, 730766), (382, 658072), (688, 365383), (764, 329036), (1528, 164518), (1913, 131408), (3056, 82259), (3826, 65704), (7652, 32852), (8213, 30608), (15304, 16426)]