81238864

素因数分解:

$2^4\times 7^3\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 186595200

約数和(自身を除く): 105356336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 113, 131, 196, 226, 262, 343, 392, 452, 524, 686, 784, 791, 904, 917, 1048, 1372, 1582, 1808, 1834, 2096, 2744, 3164, 3668, 5488, 5537, 6328, 6419, 7336, 11074, 12656, 12838, 14672, 14803, 22148, 25676, 29606, 38759, 44296, 44933, 51352, 59212, 77518, 88592, 89866, 102704, 103621, 118424, 155036, 179732, 207242, 236848, 310072, 359464, 414484, 620144, 718928, 725347, 828968, 1450694, 1657936, 2901388, 5077429, 5802776, 10154858, 11605552, 20309716, 40619432, 81238864]

約数ペア:

[(1, 81238864), (2, 40619432), (4, 20309716), (7, 11605552), (8, 10154858), (14, 5802776), (16, 5077429), (28, 2901388), (49, 1657936), (56, 1450694), (98, 828968), (112, 725347), (113, 718928), (131, 620144), (196, 414484), (226, 359464), (262, 310072), (343, 236848), (392, 207242), (452, 179732), (524, 155036), (686, 118424), (784, 103621), (791, 102704), (904, 89866), (917, 88592), (1048, 77518), (1372, 59212), (1582, 51352), (1808, 44933), (1834, 44296), (2096, 38759), (2744, 29606), (3164, 25676), (3668, 22148), (5488, 14803), (5537, 14672), (6328, 12838), (6419, 12656), (7336, 11074)]