28158889352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{990673}}^1$

素因数の和:990726

約数の個数: 64

約数和(自身を含む): 64195675200

約数和(自身を除く): 36036785848

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1496, 1672, 2584, 3553, 7106, 14212, 28424, 990673, 1981346, 3962692, 7925384, 10897403, 16841441, 18822787, 21794806, 33682882, 37645574, 43589612, 67365764, 75291148, 87179224, 134731528, 150582296, 185255851, 207050657, 319987379, 370511702, 414101314, 639974758, 741023404, 828202628, 1279949516, 1482046808, 1656405256, 2559899032, 3519861169, 7039722338, 14079444676, 28158889352]

約数ペア:

[(1, 28158889352), (2, 14079444676), (4, 7039722338), (8, 3519861169), (11, 2559899032), (17, 1656405256), (19, 1482046808), (22, 1279949516), (34, 828202628), (38, 741023404), (44, 639974758), (68, 414101314), (76, 370511702), (88, 319987379), (136, 207050657), (152, 185255851), (187, 150582296), (209, 134731528), (323, 87179224), (374, 75291148), (418, 67365764), (646, 43589612), (748, 37645574), (836, 33682882), (1292, 21794806), (1496, 18822787), (1672, 16841441), (2584, 10897403), (3553, 7925384), (7106, 3962692), (14212, 1981346), (28424, 990673)]