256162816

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2789

約数の個数: 88

約数和(自身を含む): 630476000

約数和(自身を除く): 374313184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1024, 1456, 1664, 1792, 2749, 2912, 3328, 3584, 5498, 5824, 6656, 7168, 10996, 11648, 13312, 19243, 21992, 23296, 35737, 38486, 43984, 46592, 71474, 76972, 87968, 93184, 142948, 153944, 175936, 250159, 285896, 307888, 351872, 500318, 571792, 615776, 703744, 1000636, 1143584, 1231552, 1407488, 2001272, 2287168, 2463104, 2814976, 4002544, 4574336, 4926208, 8005088, 9148672, 9852416, 16010176, 18297344, 19704832, 32020352, 36594688, 64040704, 128081408, 256162816]

約数ペア:

[(1, 256162816), (2, 128081408), (4, 64040704), (7, 36594688), (8, 32020352), (13, 19704832), (14, 18297344), (16, 16010176), (26, 9852416), (28, 9148672), (32, 8005088), (52, 4926208), (56, 4574336), (64, 4002544), (91, 2814976), (104, 2463104), (112, 2287168), (128, 2001272), (182, 1407488), (208, 1231552), (224, 1143584), (256, 1000636), (364, 703744), (416, 615776), (448, 571792), (512, 500318), (728, 351872), (832, 307888), (896, 285896), (1024, 250159), (1456, 175936), (1664, 153944), (1792, 142948), (2749, 93184), (2912, 87968), (3328, 76972), (3584, 71474), (5498, 46592), (5824, 43984), (6656, 38486), (7168, 35737), (10996, 23296), (11648, 21992), (13312, 19243)]