161261569

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{29573}}^1$

素因数の和:29640

約数の個数: 16

約数和(自身を含む): 198737280

約数和(自身を除く): 37475711

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 29573, 207011, 561887, 1212493, 3933209, 8487451, 23037367, 161261569]

約数ペア:

[(1, 161261569), (7, 23037367), (19, 8487451), (41, 3933209), (133, 1212493), (287, 561887), (779, 207011), (5453, 29573)]