81455232

素因数分解:

$2^7\times 3^1\times {\mathrm{212123}}^1$

素因数の和:212140

約数の個数: 32

約数和(自身を含む): 216366480

約数和(自身を除く): 134911248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 212123, 424246, 636369, 848492, 1272738, 1696984, 2545476, 3393968, 5090952, 6787936, 10181904, 13575872, 20363808, 27151744, 40727616, 81455232]

約数ペア:

[(1, 81455232), (2, 40727616), (3, 27151744), (4, 20363808), (6, 13575872), (8, 10181904), (12, 6787936), (16, 5090952), (24, 3393968), (32, 2545476), (48, 1696984), (64, 1272738), (96, 848492), (128, 636369), (192, 424246), (384, 212123)]