161153531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 209104896

約数和(自身を除く): 47951365

約数列:

[1, 7, 11, 31, 77, 181, 217, 341, 373, 1267, 1991, 2387, 2611, 4103, 5611, 11563, 13937, 28721, 39277, 61721, 67513, 80941, 127193, 432047, 472591, 742643, 890351, 2092903, 5198501, 14650321, 23021933, 161153531]

約数ペア:

[(1, 161153531), (7, 23021933), (11, 14650321), (31, 5198501), (77, 2092903), (181, 890351), (217, 742643), (341, 472591), (373, 432047), (1267, 127193), (1991, 80941), (2387, 67513), (2611, 61721), (4103, 39277), (5611, 28721), (11563, 13937)]