66152810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 55152790

約数列:

[1, 2, 5, 10, 89, 178, 239, 311, 445, 478, 622, 890, 1195, 1555, 2390, 3110, 21271, 27679, 42542, 55358, 74329, 106355, 138395, 148658, 212710, 276790, 371645, 743290, 6615281, 13230562, 33076405, 66152810]

約数ペア:

[(1, 66152810), (2, 33076405), (5, 13230562), (10, 6615281), (89, 743290), (178, 371645), (239, 276790), (311, 212710), (445, 148658), (478, 138395), (622, 106355), (890, 74329), (1195, 55358), (1555, 42542), (2390, 27679), (3110, 21271)]