720771836

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{6329}}^1$

素因数の和:6805

約数の個数: 24

約数和(自身を含む): 1282508640

約数和(自身を除く): 561736804

約数列:

[1, 2, 4, 71, 142, 284, 401, 802, 1604, 6329, 12658, 25316, 28471, 56942, 113884, 449359, 898718, 1797436, 2537929, 5075858, 10151716, 180192959, 360385918, 720771836]

約数ペア:

[(1, 720771836), (2, 360385918), (4, 180192959), (71, 10151716), (142, 5075858), (284, 2537929), (401, 1797436), (802, 898718), (1604, 449359), (6329, 113884), (12658, 56942), (25316, 28471)]