138765788

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{39023}}^1$

素因数の和:39161

約数の個数: 24

約数和(自身を含む): 279724032

約数和(自身を除く): 140958244

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 39023, 78046, 156092, 273161, 546322, 1092644, 4955921, 9911842, 19823684, 34691447, 69382894, 138765788]

約数ペア:

[(1, 138765788), (2, 69382894), (4, 34691447), (7, 19823684), (14, 9911842), (28, 4955921), (127, 1092644), (254, 546322), (508, 273161), (889, 156092), (1778, 78046), (3556, 39023)]