128584706

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 203225088

約数和(自身を除く): 74640382

約数列:

[1, 2, 43, 61, 86, 122, 127, 193, 254, 386, 2623, 5246, 5461, 7747, 8299, 10922, 11773, 15494, 16598, 23546, 24511, 49022, 333121, 506239, 666242, 1012478, 1053973, 1495171, 2107946, 2990342, 64292353, 128584706]

約数ペア:

[(1, 128584706), (2, 64292353), (43, 2990342), (61, 2107946), (86, 1495171), (122, 1053973), (127, 1012478), (193, 666242), (254, 506239), (386, 333121), (2623, 49022), (5246, 24511), (5461, 23546), (7747, 16598), (8299, 15494), (10922, 11773)]