638192376

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{521399}}^1$

素因数の和:521428

約数の個数: 48

約数和(自身を含む): 1830114000

約数和(自身を除く): 1191921624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 521399, 1042798, 1564197, 2085596, 3128394, 4171192, 4692591, 6256788, 8863783, 9385182, 12513576, 17727566, 18770364, 26591349, 35455132, 37540728, 53182698, 70910264, 79774047, 106365396, 159548094, 212730792, 319096188, 638192376]

約数ペア:

[(1, 638192376), (2, 319096188), (3, 212730792), (4, 159548094), (6, 106365396), (8, 79774047), (9, 70910264), (12, 53182698), (17, 37540728), (18, 35455132), (24, 26591349), (34, 18770364), (36, 17727566), (51, 12513576), (68, 9385182), (72, 8863783), (102, 6256788), (136, 4692591), (153, 4171192), (204, 3128394), (306, 2085596), (408, 1564197), (612, 1042798), (1224, 521399)]