209888972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89087}}^1$

素因数の和:89141

約数の個数: 24

約数和(自身を含む): 399114240

約数和(自身を除く): 189225268

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 89087, 178174, 356348, 1692653, 2761697, 3385306, 5523394, 6770612, 11046788, 52472243, 104944486, 209888972]

約数ペア:

[(1, 209888972), (2, 104944486), (4, 52472243), (19, 11046788), (31, 6770612), (38, 5523394), (62, 3385306), (76, 2761697), (124, 1692653), (589, 356348), (1178, 178174), (2356, 89087)]