81497906

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 143603712

約数和(自身を除く): 62105806

約数列:

[1, 2, 7, 14, 47, 94, 211, 329, 422, 587, 658, 1174, 1477, 2954, 4109, 8218, 9917, 19834, 27589, 55178, 69419, 123857, 138838, 193123, 247714, 386246, 866999, 1733998, 5821279, 11642558, 40748953, 81497906]

約数ペア:

[(1, 81497906), (2, 40748953), (7, 11642558), (14, 5821279), (47, 1733998), (94, 866999), (211, 386246), (329, 247714), (422, 193123), (587, 138838), (658, 123857), (1174, 69419), (1477, 55178), (2954, 27589), (4109, 19834), (8218, 9917)]