99153220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{28657}}^1$

素因数の和:28839

約数の個数: 24

約数和(自身を含む): 209432664

約数和(自身を除く): 110279444

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 28657, 57314, 114628, 143285, 286570, 573140, 4957661, 9915322, 19830644, 24788305, 49576610, 99153220]

約数ペア:

[(1, 99153220), (2, 49576610), (4, 24788305), (5, 19830644), (10, 9915322), (20, 4957661), (173, 573140), (346, 286570), (692, 143285), (865, 114628), (1730, 57314), (3460, 28657)]