28136654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5040

約数の個数: 32

約数和(自身を含む): 53630976

約数和(自身を除く): 25494322

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 4987, 5642, 9974, 34909, 64831, 69818, 129662, 154597, 309194, 453817, 907634, 1082179, 2009761, 2164358, 4019522, 14068327, 28136654]

約数ペア:

[(1, 28136654), (2, 14068327), (7, 4019522), (13, 2164358), (14, 2009761), (26, 1082179), (31, 907634), (62, 453817), (91, 309194), (182, 154597), (217, 129662), (403, 69818), (434, 64831), (806, 34909), (2821, 9974), (4987, 5642)]