217565584

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{191519}}^1$

素因数の和:191598

約数の個数: 20

約数和(自身を含む): 427472640

約数和(自身を除く): 209907056

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 191519, 383038, 766076, 1532152, 3064304, 13597849, 27195698, 54391396, 108782792, 217565584]

約数ペア:

[(1, 217565584), (2, 108782792), (4, 54391396), (8, 27195698), (16, 13597849), (71, 3064304), (142, 1532152), (284, 766076), (568, 383038), (1136, 191519)]