71317358

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{40111}}^1$

素因数の和:40247

約数の個数: 16

約数和(自身を含む): 123224064

約数和(自身を除く): 51906706

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 40111, 80222, 280777, 561554, 5094097, 10188194, 35658679, 71317358]

約数ペア:

[(1, 71317358), (2, 35658679), (7, 10188194), (14, 5094097), (127, 561554), (254, 280777), (889, 80222), (1778, 40111)]