51691408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{45503}}^1$

素因数の和:45582

約数の個数: 20

約数和(自身を含む): 101564928

約数和(自身を除く): 49873520

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 45503, 91006, 182012, 364024, 728048, 3230713, 6461426, 12922852, 25845704, 51691408]

約数ペア:

[(1, 51691408), (2, 25845704), (4, 12922852), (8, 6461426), (16, 3230713), (71, 728048), (142, 364024), (284, 182012), (568, 91006), (1136, 45503)]