855293478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{255007}}^1$

素因数の和:255068

約数の個数: 32

約数和(自身を含む): 1885019136

約数和(自身を除く): 1029725658

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 255007, 510014, 765021, 1530042, 3315091, 6630182, 9945273, 10965301, 19890546, 21930602, 32895903, 65791806, 142548913, 285097826, 427646739, 855293478]

約数ペア:

[(1, 855293478), (2, 427646739), (3, 285097826), (6, 142548913), (13, 65791806), (26, 32895903), (39, 21930602), (43, 19890546), (78, 10965301), (86, 9945273), (129, 6630182), (258, 3315091), (559, 1530042), (1118, 765021), (1677, 510014), (3354, 255007)]