161487866

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{20509}}^1$

素因数の和:20669

約数の個数: 16

約数和(自身を含む): 252026880

約数和(自身を除く): 90539014

約数列:

[1, 2, 31, 62, 127, 254, 3937, 7874, 20509, 41018, 635779, 1271558, 2604643, 5209286, 80743933, 161487866]

約数ペア:

[(1, 161487866), (2, 80743933), (31, 5209286), (62, 2604643), (127, 1271558), (254, 635779), (3937, 41018), (7874, 20509)]