128932916

素因数分解:

$2^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{2341}}^1$

素因数の和:2640

約数の個数: 36

約数和(自身を含む): 263517156

約数和(自身を除く): 134584240

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 281, 562, 1124, 1967, 2341, 3934, 4682, 7868, 9364, 13769, 16387, 27538, 32774, 55076, 65548, 114709, 229418, 458836, 657821, 1315642, 2631284, 4604747, 9209494, 18418988, 32233229, 64466458, 128932916]

約数ペア:

[(1, 128932916), (2, 64466458), (4, 32233229), (7, 18418988), (14, 9209494), (28, 4604747), (49, 2631284), (98, 1315642), (196, 657821), (281, 458836), (562, 229418), (1124, 114709), (1967, 65548), (2341, 55076), (3934, 32774), (4682, 27538), (7868, 16387), (9364, 13769)]