128216774

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{69911}}^1$

素因数の和:70051

約数の個数: 16

約数和(自身を含む): 221481216

約数和(自身を除く): 93264442

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 69911, 139822, 489377, 978754, 9158341, 18316682, 64108387, 128216774]

約数ペア:

[(1, 128216774), (2, 64108387), (7, 18316682), (14, 9158341), (131, 978754), (262, 489377), (917, 139822), (1834, 69911)]