641048576

素因数分解:

$2^{13}\times 7^2\times {\mathrm{1597}}^1$

素因数の和:1637

約数の個数: 84

約数和(自身を含む): 1492261938

約数和(自身を除く): 851213362

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1597, 1792, 2048, 3136, 3194, 3584, 4096, 6272, 6388, 7168, 8192, 11179, 12544, 12776, 14336, 22358, 25088, 25552, 28672, 44716, 50176, 51104, 57344, 78253, 89432, 100352, 102208, 156506, 178864, 200704, 204416, 313012, 357728, 401408, 408832, 626024, 715456, 817664, 1252048, 1430912, 1635328, 2504096, 2861824, 3270656, 5008192, 5723648, 6541312, 10016384, 11447296, 13082624, 20032768, 22894592, 40065536, 45789184, 80131072, 91578368, 160262144, 320524288, 641048576]

約数ペア:

[(1, 641048576), (2, 320524288), (4, 160262144), (7, 91578368), (8, 80131072), (14, 45789184), (16, 40065536), (28, 22894592), (32, 20032768), (49, 13082624), (56, 11447296), (64, 10016384), (98, 6541312), (112, 5723648), (128, 5008192), (196, 3270656), (224, 2861824), (256, 2504096), (392, 1635328), (448, 1430912), (512, 1252048), (784, 817664), (896, 715456), (1024, 626024), (1568, 408832), (1597, 401408), (1792, 357728), (2048, 313012), (3136, 204416), (3194, 200704), (3584, 178864), (4096, 156506), (6272, 102208), (6388, 100352), (7168, 89432), (8192, 78253), (11179, 57344), (12544, 51104), (12776, 50176), (14336, 44716), (22358, 28672), (25088, 25552)]