127881628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{240379}}^1$

素因数の和:240409

約数の個数: 24

約数和(自身を含む): 269225600

約数和(自身を除く): 141343972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 240379, 480758, 961516, 1682653, 3365306, 4567201, 6730612, 9134402, 18268804, 31970407, 63940814, 127881628]

約数ペア:

[(1, 127881628), (2, 63940814), (4, 31970407), (7, 18268804), (14, 9134402), (19, 6730612), (28, 4567201), (38, 3365306), (76, 1682653), (133, 961516), (266, 480758), (532, 240379)]