215468656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2663}}^1$

素因数の和:3073

約数の個数: 40

約数和(自身を含む): 450908640

約数和(自身を除く): 235439984

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 1556, 2663, 3112, 5057, 5326, 6224, 10114, 10652, 20228, 21304, 34619, 40456, 42608, 69238, 80912, 138476, 276952, 553904, 1035907, 2071814, 4143628, 8287256, 13466791, 16574512, 26933582, 53867164, 107734328, 215468656]

約数ペア:

[(1, 215468656), (2, 107734328), (4, 53867164), (8, 26933582), (13, 16574512), (16, 13466791), (26, 8287256), (52, 4143628), (104, 2071814), (208, 1035907), (389, 553904), (778, 276952), (1556, 138476), (2663, 80912), (3112, 69238), (5057, 42608), (5326, 40456), (6224, 34619), (10114, 21304), (10652, 20228)]