205401728

素因数分解:

$2^7\times 7^2\times {\mathrm{32749}}^1$

素因数の和:32777

約数の個数: 48

約数和(自身を含む): 476021250

約数和(自身を除く): 270619522

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, 6272, 32749, 65498, 130996, 229243, 261992, 458486, 523984, 916972, 1047968, 1604701, 1833944, 2095936, 3209402, 3667888, 4191872, 6418804, 7335776, 12837608, 14671552, 25675216, 29343104, 51350432, 102700864, 205401728]

約数ペア:

[(1, 205401728), (2, 102700864), (4, 51350432), (7, 29343104), (8, 25675216), (14, 14671552), (16, 12837608), (28, 7335776), (32, 6418804), (49, 4191872), (56, 3667888), (64, 3209402), (98, 2095936), (112, 1833944), (128, 1604701), (196, 1047968), (224, 916972), (392, 523984), (448, 458486), (784, 261992), (896, 229243), (1568, 130996), (3136, 65498), (6272, 32749)]