8999728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 18157568

約数和(自身を除く): 9157840

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 127, 172, 206, 254, 344, 412, 508, 688, 824, 1016, 1648, 2032, 4429, 5461, 8858, 10922, 13081, 17716, 21844, 26162, 35432, 43688, 52324, 70864, 87376, 104648, 209296, 562483, 1124966, 2249932, 4499864, 8999728]

約数ペア:

[(1, 8999728), (2, 4499864), (4, 2249932), (8, 1124966), (16, 562483), (43, 209296), (86, 104648), (103, 87376), (127, 70864), (172, 52324), (206, 43688), (254, 35432), (344, 26162), (412, 21844), (508, 17716), (688, 13081), (824, 10922), (1016, 8858), (1648, 5461), (2032, 4429)]