31278464

素因数分解:

$2^7\times 7^2\times {\mathrm{4987}}^1$

素因数の和:5015

約数の個数: 48

約数和(自身を含む): 72500580

約数和(自身を除く): 41222116

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 4987, 6272, 9974, 19948, 34909, 39896, 69818, 79792, 139636, 159584, 244363, 279272, 319168, 488726, 558544, 638336, 977452, 1117088, 1954904, 2234176, 3909808, 4468352, 7819616, 15639232, 31278464]

約数ペア:

[(1, 31278464), (2, 15639232), (4, 7819616), (7, 4468352), (8, 3909808), (14, 2234176), (16, 1954904), (28, 1117088), (32, 977452), (49, 638336), (56, 558544), (64, 488726), (98, 319168), (112, 279272), (128, 244363), (196, 159584), (224, 139636), (392, 79792), (448, 69818), (784, 39896), (896, 34909), (1568, 19948), (3136, 9974), (4987, 6272)]