81167744

素因数分解:

$2^7\times 7^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 186300960

約数和(自身を除く): 105133216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 314, 448, 577, 628, 896, 1099, 1154, 1256, 2198, 2308, 2512, 4039, 4396, 4616, 5024, 8078, 8792, 9232, 10048, 16156, 17584, 18464, 20096, 32312, 35168, 36928, 64624, 70336, 73856, 90589, 129248, 140672, 181178, 258496, 362356, 516992, 634123, 724712, 1268246, 1449424, 2536492, 2898848, 5072984, 5797696, 10145968, 11595392, 20291936, 40583872, 81167744]

約数ペア:

[(1, 81167744), (2, 40583872), (4, 20291936), (7, 11595392), (8, 10145968), (14, 5797696), (16, 5072984), (28, 2898848), (32, 2536492), (56, 1449424), (64, 1268246), (112, 724712), (128, 634123), (157, 516992), (224, 362356), (314, 258496), (448, 181178), (577, 140672), (628, 129248), (896, 90589), (1099, 73856), (1154, 70336), (1256, 64624), (2198, 36928), (2308, 35168), (2512, 32312), (4039, 20096), (4396, 18464), (4616, 17584), (5024, 16156), (8078, 10048), (8792, 9232)]