287331412

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 508720520

約数和(自身を除く): 221389108

約数列:

[1, 2, 4, 109, 218, 436, 661, 997, 1322, 1994, 2644, 3988, 72049, 108673, 144098, 217346, 288196, 434692, 659017, 1318034, 2636068, 71832853, 143665706, 287331412]

約数ペア:

[(1, 287331412), (2, 143665706), (4, 71832853), (109, 2636068), (218, 1318034), (436, 659017), (661, 434692), (997, 288196), (1322, 217346), (1994, 144098), (2644, 108673), (3988, 72049)]