644090642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2953}}^1\times {\mathrm{8389}}^1$

素因数の和:11357

約数の個数: 16

約数和(自身を含む): 1040930520

約数和(自身を除く): 396839878

約数列:

[1, 2, 13, 26, 2953, 5906, 8389, 16778, 38389, 76778, 109057, 218114, 24772717, 49545434, 322045321, 644090642]

約数ペア:

[(1, 644090642), (2, 322045321), (13, 49545434), (26, 24772717), (2953, 218114), (5906, 109057), (8389, 76778), (16778, 38389)]