128108716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{3911}}^1$

素因数の和:4365

約数の個数: 24

約数和(自身を含む): 236597760

約数和(自身を除く): 108489044

約数列:

[1, 2, 4, 19, 38, 76, 431, 862, 1724, 3911, 7822, 8189, 15644, 16378, 32756, 74309, 148618, 297236, 1685641, 3371282, 6742564, 32027179, 64054358, 128108716]

約数ペア:

[(1, 128108716), (2, 64054358), (4, 32027179), (19, 6742564), (38, 3371282), (76, 1685641), (431, 297236), (862, 148618), (1724, 74309), (3911, 32756), (7822, 16378), (8189, 15644)]