81716768

素因数分解:

$2^5\times 7^1\times {\mathrm{601}}^1\times {\mathrm{607}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 184472064

約数和(自身を除く): 102755296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 601, 607, 1202, 1214, 2404, 2428, 4207, 4249, 4808, 4856, 8414, 8498, 9616, 9712, 16828, 16996, 19232, 19424, 33656, 33992, 67312, 67984, 134624, 135968, 364807, 729614, 1459228, 2553649, 2918456, 5107298, 5836912, 10214596, 11673824, 20429192, 40858384, 81716768]

約数ペア:

[(1, 81716768), (2, 40858384), (4, 20429192), (7, 11673824), (8, 10214596), (14, 5836912), (16, 5107298), (28, 2918456), (32, 2553649), (56, 1459228), (112, 729614), (224, 364807), (601, 135968), (607, 134624), (1202, 67984), (1214, 67312), (2404, 33992), (2428, 33656), (4207, 19424), (4249, 19232), (4808, 16996), (4856, 16828), (8414, 9712), (8498, 9616)]