203438963

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{42181}}^1$

素因数の和:42254

約数の個数: 16

約数和(自身を含む): 255116736

約数和(自身を除く): 51677773

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 42181, 295267, 548353, 2235593, 3838471, 15649151, 29062709, 203438963]

約数ペア:

[(1, 203438963), (7, 29062709), (13, 15649151), (53, 3838471), (91, 2235593), (371, 548353), (689, 295267), (4823, 42181)]