138643984

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 275660928

約数和(自身を除く): 137016944

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 331, 376, 557, 662, 752, 1114, 1324, 2228, 2648, 4456, 5296, 8912, 15557, 26179, 31114, 52358, 62228, 104716, 124456, 184367, 209432, 248912, 368734, 418864, 737468, 1474936, 2949872, 8665249, 17330498, 34660996, 69321992, 138643984]

約数ペア:

[(1, 138643984), (2, 69321992), (4, 34660996), (8, 17330498), (16, 8665249), (47, 2949872), (94, 1474936), (188, 737468), (331, 418864), (376, 368734), (557, 248912), (662, 209432), (752, 184367), (1114, 124456), (1324, 104716), (2228, 62228), (2648, 52358), (4456, 31114), (5296, 26179), (8912, 15557)]