128081408

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2787

約数の個数: 80

約数和(自身を含む): 315084000

約数和(自身を除く): 187002592

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, 1456, 1664, 1792, 2749, 2912, 3328, 3584, 5498, 5824, 6656, 10996, 11648, 19243, 21992, 23296, 35737, 38486, 43984, 46592, 71474, 76972, 87968, 142948, 153944, 175936, 250159, 285896, 307888, 351872, 500318, 571792, 615776, 703744, 1000636, 1143584, 1231552, 1407488, 2001272, 2287168, 2463104, 4002544, 4574336, 4926208, 8005088, 9148672, 9852416, 16010176, 18297344, 32020352, 64040704, 128081408]

約数ペア:

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