81944778878

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{1972007}}^1$

素因数の和:1972351

約数の個数: 16

約数和(自身を含む): 124946426880

約数和(自身を除く): 43001648002

約数列:

[1, 2, 79, 158, 263, 526, 20777, 41554, 1972007, 3944014, 155788553, 311577106, 518637841, 1037275682, 40972389439, 81944778878]

約数ペア:

[(1, 81944778878), (2, 40972389439), (79, 1037275682), (158, 518637841), (263, 311577106), (526, 155788553), (20777, 3944014), (41554, 1972007)]