404165816

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 768000000

約数和(自身を除く): 363834184

約数列:

[1, 2, 4, 8, 127, 199, 254, 398, 508, 796, 1016, 1592, 1999, 3998, 7996, 15992, 25273, 50546, 101092, 202184, 253873, 397801, 507746, 795602, 1015492, 1591204, 2030984, 3182408, 50520727, 101041454, 202082908, 404165816]

約数ペア:

[(1, 404165816), (2, 202082908), (4, 101041454), (8, 50520727), (127, 3182408), (199, 2030984), (254, 1591204), (398, 1015492), (508, 795602), (796, 507746), (1016, 397801), (1592, 253873), (1999, 202184), (3998, 101092), (7996, 50546), (15992, 25273)]