27993728

素因数分解:

$2^7\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 64464000

約数和(自身を除く): 36470272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 199, 224, 314, 398, 448, 628, 796, 896, 1099, 1256, 1393, 1592, 2198, 2512, 2786, 3184, 4396, 5024, 5572, 6368, 8792, 10048, 11144, 12736, 17584, 20096, 22288, 25472, 31243, 35168, 44576, 62486, 70336, 89152, 124972, 140672, 178304, 218701, 249944, 437402, 499888, 874804, 999776, 1749608, 1999552, 3499216, 3999104, 6998432, 13996864, 27993728]

約数ペア:

[(1, 27993728), (2, 13996864), (4, 6998432), (7, 3999104), (8, 3499216), (14, 1999552), (16, 1749608), (28, 999776), (32, 874804), (56, 499888), (64, 437402), (112, 249944), (128, 218701), (157, 178304), (199, 140672), (224, 124972), (314, 89152), (398, 70336), (448, 62486), (628, 44576), (796, 35168), (896, 31243), (1099, 25472), (1256, 22288), (1393, 20096), (1592, 17584), (2198, 12736), (2512, 11144), (2786, 10048), (3184, 8792), (4396, 6368), (5024, 5572)]