28625408

素因数分解:

$2^9\times 7^3\times {\mathrm{163}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 67108800

約数和(自身を除く): 38483392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 163, 196, 224, 256, 326, 343, 392, 448, 512, 652, 686, 784, 896, 1141, 1304, 1372, 1568, 1792, 2282, 2608, 2744, 3136, 3584, 4564, 5216, 5488, 6272, 7987, 9128, 10432, 10976, 12544, 15974, 18256, 20864, 21952, 25088, 31948, 36512, 41728, 43904, 55909, 63896, 73024, 83456, 87808, 111818, 127792, 146048, 175616, 223636, 255584, 292096, 447272, 511168, 584192, 894544, 1022336, 1789088, 2044672, 3578176, 4089344, 7156352, 14312704, 28625408]

約数ペア:

[(1, 28625408), (2, 14312704), (4, 7156352), (7, 4089344), (8, 3578176), (14, 2044672), (16, 1789088), (28, 1022336), (32, 894544), (49, 584192), (56, 511168), (64, 447272), (98, 292096), (112, 255584), (128, 223636), (163, 175616), (196, 146048), (224, 127792), (256, 111818), (326, 87808), (343, 83456), (392, 73024), (448, 63896), (512, 55909), (652, 43904), (686, 41728), (784, 36512), (896, 31948), (1141, 25088), (1304, 21952), (1372, 20864), (1568, 18256), (1792, 15974), (2282, 12544), (2608, 10976), (2744, 10432), (3136, 9128), (3584, 7987), (4564, 6272), (5216, 5488)]