217645848

素因数分解:

$2^3\times 3^2\times 7^4\times {\mathrm{1259}}^1$

素因数の和:1299

約数の個数: 120

約数和(自身を含む): 688205700

約数和(自身を除く): 470559852

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 882, 1029, 1176, 1259, 1372, 1764, 2058, 2401, 2518, 2744, 3087, 3528, 3777, 4116, 4802, 5036, 6174, 7203, 7554, 8232, 8813, 9604, 10072, 11331, 12348, 14406, 15108, 17626, 19208, 21609, 22662, 24696, 26439, 28812, 30216, 35252, 43218, 45324, 52878, 57624, 61691, 70504, 79317, 86436, 90648, 105756, 123382, 158634, 172872, 185073, 211512, 246764, 317268, 370146, 431837, 493528, 555219, 634536, 740292, 863674, 1110438, 1295511, 1480584, 1727348, 2220876, 2591022, 3022859, 3454696, 3886533, 4441752, 5182044, 6045718, 7773066, 9068577, 10364088, 12091436, 15546132, 18137154, 24182872, 27205731, 31092264, 36274308, 54411462, 72548616, 108822924, 217645848]

約数ペア:

[(1, 217645848), (2, 108822924), (3, 72548616), (4, 54411462), (6, 36274308), (7, 31092264), (8, 27205731), (9, 24182872), (12, 18137154), (14, 15546132), (18, 12091436), (21, 10364088), (24, 9068577), (28, 7773066), (36, 6045718), (42, 5182044), (49, 4441752), (56, 3886533), (63, 3454696), (72, 3022859), (84, 2591022), (98, 2220876), (126, 1727348), (147, 1480584), (168, 1295511), (196, 1110438), (252, 863674), (294, 740292), (343, 634536), (392, 555219), (441, 493528), (504, 431837), (588, 370146), (686, 317268), (882, 246764), (1029, 211512), (1176, 185073), (1259, 172872), (1372, 158634), (1764, 123382), (2058, 105756), (2401, 90648), (2518, 86436), (2744, 79317), (3087, 70504), (3528, 61691), (3777, 57624), (4116, 52878), (4802, 45324), (5036, 43218), (6174, 35252), (7203, 30216), (7554, 28812), (8232, 26439), (8813, 24696), (9604, 22662), (10072, 21609), (11331, 19208), (12348, 17626), (14406, 15108)]