218537242568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{666272081}}^1$

素因数の和:666272128

約数の個数: 16

約数和(自身を含む): 419751411660

約数和(自身を除く): 201214169092

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 666272081, 1332544162, 2665088324, 5330176648, 27317155321, 54634310642, 109268621284, 218537242568]

約数ペア:

[(1, 218537242568), (2, 109268621284), (4, 54634310642), (8, 27317155321), (41, 5330176648), (82, 2665088324), (164, 1332544162), (328, 666272081)]