1997510144

素因数分解:

$2^9\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3691}}^1$

素因数の和:3867

約数の個数: 80

約数和(自身を含む): 4592729856

約数和(自身を除く): 2595219712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 151, 224, 256, 302, 448, 512, 604, 896, 1057, 1208, 1792, 2114, 2416, 3584, 3691, 4228, 4832, 7382, 8456, 9664, 14764, 16912, 19328, 25837, 29528, 33824, 38656, 51674, 59056, 67648, 77312, 103348, 118112, 135296, 206696, 236224, 270592, 413392, 472448, 541184, 557341, 826784, 944896, 1114682, 1653568, 1889792, 2229364, 3307136, 3901387, 4458728, 6614272, 7802774, 8917456, 13228544, 15605548, 17834912, 31211096, 35669824, 62422192, 71339648, 124844384, 142679296, 249688768, 285358592, 499377536, 998755072, 1997510144]

約数ペア:

[(1, 1997510144), (2, 998755072), (4, 499377536), (7, 285358592), (8, 249688768), (14, 142679296), (16, 124844384), (28, 71339648), (32, 62422192), (56, 35669824), (64, 31211096), (112, 17834912), (128, 15605548), (151, 13228544), (224, 8917456), (256, 7802774), (302, 6614272), (448, 4458728), (512, 3901387), (604, 3307136), (896, 2229364), (1057, 1889792), (1208, 1653568), (1792, 1114682), (2114, 944896), (2416, 826784), (3584, 557341), (3691, 541184), (4228, 472448), (4832, 413392), (7382, 270592), (8456, 236224), (9664, 206696), (14764, 135296), (16912, 118112), (19328, 103348), (25837, 77312), (29528, 67648), (33824, 59056), (38656, 51674)]