277062874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2166

約数の個数: 32

約数和(自身を含む): 465160320

約数和(自身を除く): 188097446

約数列:

[1, 2, 11, 22, 71, 89, 142, 178, 781, 979, 1562, 1958, 1993, 3986, 6319, 12638, 21923, 43846, 69509, 139018, 141503, 177377, 283006, 354754, 1556533, 1951147, 3113066, 3902294, 12593767, 25187534, 138531437, 277062874]

約数ペア:

[(1, 277062874), (2, 138531437), (11, 25187534), (22, 12593767), (71, 3902294), (89, 3113066), (142, 1951147), (178, 1556533), (781, 354754), (979, 283006), (1562, 177377), (1958, 141503), (1993, 139018), (3986, 69509), (6319, 43846), (12638, 21923)]