257858538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{323131}}^1$

素因数の和:323162

約数の個数: 32

約数和(自身を含む): 620413440

約数和(自身を除く): 362554902

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 323131, 646262, 969393, 1938786, 2261917, 4523834, 6139489, 6785751, 12278978, 13571502, 18418467, 36836934, 42976423, 85952846, 128929269, 257858538]

約数ペア:

[(1, 257858538), (2, 128929269), (3, 85952846), (6, 42976423), (7, 36836934), (14, 18418467), (19, 13571502), (21, 12278978), (38, 6785751), (42, 6139489), (57, 4523834), (114, 2261917), (133, 1938786), (266, 969393), (399, 646262), (798, 323131)]