211975799

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51413}}^1$

素因数の和:51470

約数の個数: 16

約数和(自身を含む): 263239680

約数和(自身を除く): 51263881

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 51413, 359891, 976847, 1593803, 6837929, 11156621, 30282257, 211975799]

約数ペア:

[(1, 211975799), (7, 30282257), (19, 11156621), (31, 6837929), (133, 1593803), (217, 976847), (589, 359891), (4123, 51413)]