218361904

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{68581}}^1$

素因数の和:68788

約数の個数: 20

約数和(自身を含む): 425208400

約数和(自身を除く): 206846496

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 68581, 137162, 274324, 548648, 1097296, 13647619, 27295238, 54590476, 109180952, 218361904]

約数ペア:

[(1, 218361904), (2, 109180952), (4, 54590476), (8, 27295238), (16, 13647619), (199, 1097296), (398, 548648), (796, 274324), (1592, 137162), (3184, 68581)]