208243585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3301}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 289096704

約数和(自身を除く): 80853119

約数列:

[1, 5, 11, 31, 37, 55, 155, 185, 341, 407, 1147, 1705, 2035, 3301, 5735, 12617, 16505, 36311, 63085, 102331, 122137, 181555, 511655, 610685, 1125641, 1343507, 3786247, 5628205, 6717535, 18931235, 41648717, 208243585]

約数ペア:

[(1, 208243585), (5, 41648717), (11, 18931235), (31, 6717535), (37, 5628205), (55, 3786247), (155, 1343507), (185, 1125641), (341, 610685), (407, 511655), (1147, 181555), (1705, 122137), (2035, 102331), (3301, 63085), (5735, 36311), (12617, 16505)]