68278357

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 84049920

約数和(自身を除く): 15771563

約数列:

[1, 7, 37, 47, 71, 79, 259, 329, 497, 553, 1739, 2627, 2923, 3337, 3713, 5609, 12173, 18389, 20461, 23359, 25991, 39263, 123469, 137381, 207533, 263623, 864283, 961667, 1452731, 1845361, 9754051, 68278357]

約数ペア:

[(1, 68278357), (7, 9754051), (37, 1845361), (47, 1452731), (71, 961667), (79, 864283), (259, 263623), (329, 207533), (497, 137381), (553, 123469), (1739, 39263), (2627, 25991), (2923, 23359), (3337, 20461), (3713, 18389), (5609, 12173)]