81878538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{10891}}^1$

素因数の和:11082

約数の個数: 32

約数和(自身を含む): 188213760

約数和(自身を除く): 106335222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 179, 358, 537, 1074, 1253, 2506, 3759, 7518, 10891, 21782, 32673, 65346, 76237, 152474, 228711, 457422, 1949489, 3898978, 5848467, 11696934, 13646423, 27292846, 40939269, 81878538]

約数ペア:

[(1, 81878538), (2, 40939269), (3, 27292846), (6, 13646423), (7, 11696934), (14, 5848467), (21, 3898978), (42, 1949489), (179, 457422), (358, 228711), (537, 152474), (1074, 76237), (1253, 65346), (2506, 32673), (3759, 21782), (7518, 10891)]