51881278

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1301}}^1$

素因数の和:1587

約数の個数: 16

約数和(自身を含む): 78994944

約数和(自身を除く): 27113666

約数列:

[1, 2, 127, 157, 254, 314, 1301, 2602, 19939, 39878, 165227, 204257, 330454, 408514, 25940639, 51881278]

約数ペア:

[(1, 51881278), (2, 25940639), (127, 408514), (157, 330454), (254, 204257), (314, 165227), (1301, 39878), (2602, 19939)]