393978638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3967}}^1$

素因数の和:4136

約数の個数: 32

約数和(自身を含む): 658243584

約数和(自身を除く): 264264946

約数列:

[1, 2, 17, 23, 34, 46, 127, 254, 391, 782, 2159, 2921, 3967, 4318, 5842, 7934, 49657, 67439, 91241, 99314, 134878, 182482, 503809, 1007618, 1551097, 3102194, 8564753, 11587607, 17129506, 23175214, 196989319, 393978638]

約数ペア:

[(1, 393978638), (2, 196989319), (17, 23175214), (23, 17129506), (34, 11587607), (46, 8564753), (127, 3102194), (254, 1551097), (391, 1007618), (782, 503809), (2159, 182482), (2921, 134878), (3967, 99314), (4318, 91241), (5842, 67439), (7934, 49657)]