1278827648

素因数分解:

$2^7\times 7^1\times {\mathrm{367}}^1\times {\mathrm{3889}}^1$

素因数の和:4277

約数の個数: 64

約数和(自身を含む): 2920300800

約数和(自身を除く): 1641473152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 367, 448, 734, 896, 1468, 2569, 2936, 3889, 5138, 5872, 7778, 10276, 11744, 15556, 20552, 23488, 27223, 31112, 41104, 46976, 54446, 62224, 82208, 108892, 124448, 164416, 217784, 248896, 328832, 435568, 497792, 871136, 1427263, 1742272, 2854526, 3484544, 5709052, 9990841, 11418104, 19981682, 22836208, 39963364, 45672416, 79926728, 91344832, 159853456, 182689664, 319706912, 639413824, 1278827648]

約数ペア:

[(1, 1278827648), (2, 639413824), (4, 319706912), (7, 182689664), (8, 159853456), (14, 91344832), (16, 79926728), (28, 45672416), (32, 39963364), (56, 22836208), (64, 19981682), (112, 11418104), (128, 9990841), (224, 5709052), (367, 3484544), (448, 2854526), (734, 1742272), (896, 1427263), (1468, 871136), (2569, 497792), (2936, 435568), (3889, 328832), (5138, 248896), (5872, 217784), (7778, 164416), (10276, 124448), (11744, 108892), (15556, 82208), (20552, 62224), (23488, 54446), (27223, 46976), (31112, 41104)]