289111112

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{20639}}^1$

素因数の和:20765

約数の個数: 32

約数和(自身を含む): 579571200

約数和(自身を除く): 290460088

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1751, 3502, 7004, 14008, 20639, 41278, 82556, 165112, 350863, 701726, 1403452, 2125817, 2806904, 4251634, 8503268, 17006536, 36138889, 72277778, 144555556, 289111112]

約数ペア:

[(1, 289111112), (2, 144555556), (4, 72277778), (8, 36138889), (17, 17006536), (34, 8503268), (68, 4251634), (103, 2806904), (136, 2125817), (206, 1403452), (412, 701726), (824, 350863), (1751, 165112), (3502, 82556), (7004, 41278), (14008, 20639)]