221408768

素因数分解:

$2^9\times 7^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:567

約数の個数: 80

約数和(自身を含む): 510026880

約数和(自身を除く): 288618112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 163, 224, 256, 326, 379, 448, 512, 652, 758, 896, 1141, 1304, 1516, 1792, 2282, 2608, 2653, 3032, 3584, 4564, 5216, 5306, 6064, 9128, 10432, 10612, 12128, 18256, 20864, 21224, 24256, 36512, 41728, 42448, 48512, 61777, 73024, 83456, 84896, 97024, 123554, 146048, 169792, 194048, 247108, 292096, 339584, 432439, 494216, 584192, 679168, 864878, 988432, 1358336, 1729756, 1976864, 3459512, 3953728, 6919024, 7907456, 13838048, 15814912, 27676096, 31629824, 55352192, 110704384, 221408768]

約数ペア:

[(1, 221408768), (2, 110704384), (4, 55352192), (7, 31629824), (8, 27676096), (14, 15814912), (16, 13838048), (28, 7907456), (32, 6919024), (56, 3953728), (64, 3459512), (112, 1976864), (128, 1729756), (163, 1358336), (224, 988432), (256, 864878), (326, 679168), (379, 584192), (448, 494216), (512, 432439), (652, 339584), (758, 292096), (896, 247108), (1141, 194048), (1304, 169792), (1516, 146048), (1792, 123554), (2282, 97024), (2608, 84896), (2653, 83456), (3032, 73024), (3584, 61777), (4564, 48512), (5216, 42448), (5306, 41728), (6064, 36512), (9128, 24256), (10432, 21224), (10612, 20864), (12128, 18256)]