289325456

素因数分解:

$2^4\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{1657}}^1$

素因数の和:3231

約数の個数: 40

約数和(自身を含む): 641447040

約数和(自身を除く): 352121584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1559, 1657, 3118, 3314, 6236, 6628, 10913, 11599, 12472, 13256, 21826, 23198, 24944, 26512, 43652, 46396, 87304, 92792, 174608, 185584, 2583263, 5166526, 10333052, 18082841, 20666104, 36165682, 41332208, 72331364, 144662728, 289325456]

約数ペア:

[(1, 289325456), (2, 144662728), (4, 72331364), (7, 41332208), (8, 36165682), (14, 20666104), (16, 18082841), (28, 10333052), (56, 5166526), (112, 2583263), (1559, 185584), (1657, 174608), (3118, 92792), (3314, 87304), (6236, 46396), (6628, 43652), (10913, 26512), (11599, 24944), (12472, 23198), (13256, 21826)]