128872996

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{36241}}^1$

素因数の和:36379

約数の個数: 24

約数和(自身を含む): 259782656

約数和(自身を除く): 130909660

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 36241, 72482, 144964, 253687, 507374, 1014748, 4602607, 9205214, 18410428, 32218249, 64436498, 128872996]

約数ペア:

[(1, 128872996), (2, 64436498), (4, 32218249), (7, 18410428), (14, 9205214), (28, 4602607), (127, 1014748), (254, 507374), (508, 253687), (889, 144964), (1778, 72482), (3556, 36241)]