208772012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{37201}}^1$

素因数の和:37289

約数の個数: 24

約数和(自身を含む): 387496032

約数和(自身を除く): 178724020

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 5612, 37201, 74402, 148804, 855623, 1711246, 2269261, 3422492, 4538522, 9077044, 52193003, 104386006, 208772012]

約数ペア:

[(1, 208772012), (2, 104386006), (4, 52193003), (23, 9077044), (46, 4538522), (61, 3422492), (92, 2269261), (122, 1711246), (244, 855623), (1403, 148804), (2806, 74402), (5612, 37201)]