31440128

素因数分解:

$2^8\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:850

約数の個数: 36

約数和(自身を含む): 63184128

約数和(自身を除く): 31744000

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 643, 764, 1286, 1528, 2572, 3056, 5144, 6112, 10288, 12224, 20576, 24448, 41152, 48896, 82304, 122813, 164608, 245626, 491252, 982504, 1965008, 3930016, 7860032, 15720064, 31440128]

約数ペア:

[(1, 31440128), (2, 15720064), (4, 7860032), (8, 3930016), (16, 1965008), (32, 982504), (64, 491252), (128, 245626), (191, 164608), (256, 122813), (382, 82304), (643, 48896), (764, 41152), (1286, 24448), (1528, 20576), (2572, 12224), (3056, 10288), (5144, 6112)]