161808661

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 198201600

約数和(自身を除く): 36392939

約数列:

[1, 7, 29, 61, 73, 179, 203, 427, 511, 1253, 1769, 2117, 4453, 5191, 10919, 12383, 13067, 14819, 31171, 36337, 76433, 91469, 129137, 316651, 378943, 797087, 903959, 2216557, 2652601, 5579609, 23115523, 161808661]

約数ペア:

[(1, 161808661), (7, 23115523), (29, 5579609), (61, 2652601), (73, 2216557), (179, 903959), (203, 797087), (427, 378943), (511, 316651), (1253, 129137), (1769, 91469), (2117, 76433), (4453, 36337), (5191, 31171), (10919, 14819), (12383, 13067)]