161808503

素因数分解:

${\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 177759360

約数和(自身を除く): 15950857

約数列:

[1, 19, 59, 71, 107, 361, 1121, 1349, 2033, 4189, 6313, 7597, 21299, 25631, 38627, 79591, 119947, 144343, 448223, 1512229, 2278993, 2742517, 8516237, 161808503]

約数ペア:

[(1, 161808503), (19, 8516237), (59, 2742517), (71, 2278993), (107, 1512229), (361, 448223), (1121, 144343), (1349, 119947), (2033, 79591), (4189, 38627), (6313, 25631), (7597, 21299)]