261570376

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{3821}}^1$

素因数の和:4069

約数の個数: 32

約数和(自身を含む): 504504000

約数和(自身を除く): 242933624

約数列:

[1, 2, 4, 8, 43, 86, 172, 199, 344, 398, 796, 1592, 3821, 7642, 8557, 15284, 17114, 30568, 34228, 68456, 164303, 328606, 657212, 760379, 1314424, 1520758, 3041516, 6083032, 32696297, 65392594, 130785188, 261570376]

約数ペア:

[(1, 261570376), (2, 130785188), (4, 65392594), (8, 32696297), (43, 6083032), (86, 3041516), (172, 1520758), (199, 1314424), (344, 760379), (398, 657212), (796, 328606), (1592, 164303), (3821, 68456), (7642, 34228), (8557, 30568), (15284, 17114)]