77971478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157837}}^1$

素因数の和:157871

約数の個数: 16

約数和(自身を含む): 132583920

約数和(自身を除く): 54612442

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 157837, 315674, 2051881, 2998903, 4103762, 5997806, 38985739, 77971478]

約数ペア:

[(1, 77971478), (2, 38985739), (13, 5997806), (19, 4103762), (26, 2998903), (38, 2051881), (247, 315674), (494, 157837)]