209724928

素因数分解:

$2^9\times 7^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:547

約数の個数: 80

約数和(自身を含む): 483183360

約数和(自身を除く): 273458432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 163, 224, 256, 326, 359, 448, 512, 652, 718, 896, 1141, 1304, 1436, 1792, 2282, 2513, 2608, 2872, 3584, 4564, 5026, 5216, 5744, 9128, 10052, 10432, 11488, 18256, 20104, 20864, 22976, 36512, 40208, 41728, 45952, 58517, 73024, 80416, 83456, 91904, 117034, 146048, 160832, 183808, 234068, 292096, 321664, 409619, 468136, 584192, 643328, 819238, 936272, 1286656, 1638476, 1872544, 3276952, 3745088, 6553904, 7490176, 13107808, 14980352, 26215616, 29960704, 52431232, 104862464, 209724928]

約数ペア:

[(1, 209724928), (2, 104862464), (4, 52431232), (7, 29960704), (8, 26215616), (14, 14980352), (16, 13107808), (28, 7490176), (32, 6553904), (56, 3745088), (64, 3276952), (112, 1872544), (128, 1638476), (163, 1286656), (224, 936272), (256, 819238), (326, 643328), (359, 584192), (448, 468136), (512, 409619), (652, 321664), (718, 292096), (896, 234068), (1141, 183808), (1304, 160832), (1436, 146048), (1792, 117034), (2282, 91904), (2513, 83456), (2608, 80416), (2872, 73024), (3584, 58517), (4564, 45952), (5026, 41728), (5216, 40208), (5744, 36512), (9128, 22976), (10052, 20864), (10432, 20104), (11488, 18256)]