28357994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 53254656

約数和(自身を除く): 24896662

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 181, 217, 266, 361, 362, 434, 589, 722, 1178, 1267, 2527, 2534, 3439, 4123, 5054, 5611, 6878, 8246, 11191, 11222, 22382, 24073, 39277, 48146, 65341, 78337, 78554, 106609, 130682, 156674, 213218, 457387, 746263, 914774, 1492526, 2025571, 4051142, 14178997, 28357994]

約数ペア:

[(1, 28357994), (2, 14178997), (7, 4051142), (14, 2025571), (19, 1492526), (31, 914774), (38, 746263), (62, 457387), (133, 213218), (181, 156674), (217, 130682), (266, 106609), (361, 78554), (362, 78337), (434, 65341), (589, 48146), (722, 39277), (1178, 24073), (1267, 22382), (2527, 11222), (2534, 11191), (3439, 8246), (4123, 6878), (5054, 5611)]