61813780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{441527}}^1$

素因数の和:441543

約数の個数: 24

約数和(自身を含む): 148353408

約数和(自身を除く): 86539628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 441527, 883054, 1766108, 2207635, 3090689, 4415270, 6181378, 8830540, 12362756, 15453445, 30906890, 61813780]

約数ペア:

[(1, 61813780), (2, 30906890), (4, 15453445), (5, 12362756), (7, 8830540), (10, 6181378), (14, 4415270), (20, 3090689), (28, 2207635), (35, 1766108), (70, 883054), (140, 441527)]