290276144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{421913}}^1$

素因数の和:421964

約数の個数: 20

約数和(自身を含む): 575490696

約数和(自身を除く): 285214552

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 421913, 843826, 1687652, 3375304, 6750608, 18142259, 36284518, 72569036, 145138072, 290276144]

約数ペア:

[(1, 290276144), (2, 145138072), (4, 72569036), (8, 36284518), (16, 18142259), (43, 6750608), (86, 3375304), (172, 1687652), (344, 843826), (688, 421913)]