989376868

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{661}}^1\times {\mathrm{3433}}^1$

素因数の和:4207

約数の個数: 24

約数和(自身を含む): 1750447160

約数和(自身を除く): 761070292

約数列:

[1, 2, 4, 109, 218, 436, 661, 1322, 2644, 3433, 6866, 13732, 72049, 144098, 288196, 374197, 748394, 1496788, 2269213, 4538426, 9076852, 247344217, 494688434, 989376868]

約数ペア:

[(1, 989376868), (2, 494688434), (4, 247344217), (109, 9076852), (218, 4538426), (436, 2269213), (661, 1496788), (1322, 748394), (2644, 374197), (3433, 288196), (6866, 144098), (13732, 72049)]