257006184

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{249037}}^1$

素因数の和:249089

約数の個数: 32

約数和(自身を含む): 657460320

約数和(自身を除く): 400454136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 249037, 498074, 747111, 996148, 1494222, 1992296, 2988444, 5976888, 10708591, 21417182, 32125773, 42834364, 64251546, 85668728, 128503092, 257006184]

約数ペア:

[(1, 257006184), (2, 128503092), (3, 85668728), (4, 64251546), (6, 42834364), (8, 32125773), (12, 21417182), (24, 10708591), (43, 5976888), (86, 2988444), (129, 1992296), (172, 1494222), (258, 996148), (344, 747111), (516, 498074), (1032, 249037)]