257329324

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{195539}}^1$

素因数の和:195597

約数の個数: 24

約数和(自身を含む): 525611520

約数和(自身を除く): 268282196

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 195539, 391078, 782156, 1368773, 2737546, 5475092, 9190333, 18380666, 36761332, 64332331, 128664662, 257329324]

約数ペア:

[(1, 257329324), (2, 128664662), (4, 64332331), (7, 36761332), (14, 18380666), (28, 9190333), (47, 5475092), (94, 2737546), (188, 1368773), (329, 782156), (658, 391078), (1316, 195539)]