209220904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1538389}}^1$

素因数の和:1538412

約数の個数: 16

約数和(自身を含む): 415365300

約数和(自身を除く): 206144396

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1538389, 3076778, 6153556, 12307112, 26152613, 52305226, 104610452, 209220904]

約数ペア:

[(1, 209220904), (2, 104610452), (4, 52305226), (8, 26152613), (17, 12307112), (34, 6153556), (68, 3076778), (136, 1538389)]