81236512

素因数分解:

$2^5\times 7^2\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 72

約数和(自身を含む): 188225856

約数和(自身を除く): 106989344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 103, 112, 196, 206, 224, 392, 412, 503, 721, 784, 824, 1006, 1442, 1568, 1648, 2012, 2884, 3296, 3521, 4024, 5047, 5768, 7042, 8048, 10094, 11536, 14084, 16096, 20188, 23072, 24647, 28168, 40376, 49294, 51809, 56336, 80752, 98588, 103618, 112672, 161504, 197176, 207236, 362663, 394352, 414472, 725326, 788704, 828944, 1450652, 1657888, 2538641, 2901304, 5077282, 5802608, 10154564, 11605216, 20309128, 40618256, 81236512]

約数ペア:

[(1, 81236512), (2, 40618256), (4, 20309128), (7, 11605216), (8, 10154564), (14, 5802608), (16, 5077282), (28, 2901304), (32, 2538641), (49, 1657888), (56, 1450652), (98, 828944), (103, 788704), (112, 725326), (196, 414472), (206, 394352), (224, 362663), (392, 207236), (412, 197176), (503, 161504), (721, 112672), (784, 103618), (824, 98588), (1006, 80752), (1442, 56336), (1568, 51809), (1648, 49294), (2012, 40376), (2884, 28168), (3296, 24647), (3521, 23072), (4024, 20188), (5047, 16096), (5768, 14084), (7042, 11536), (8048, 10094)]