78840064

素因数分解:

$2^8\times {\mathrm{307969}}^1$

素因数の和:307985

約数の個数: 18

約数和(自身を含む): 157372670

約数和(自身を除く): 78532606

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 307969, 615938, 1231876, 2463752, 4927504, 9855008, 19710016, 39420032, 78840064]

約数ペア:

[(1, 78840064), (2, 39420032), (4, 19710016), (8, 9855008), (16, 4927504), (32, 2463752), (64, 1231876), (128, 615938), (256, 307969)]