258688

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 32

約数和(自身を含む): 538560

約数和(自身を除く): 279872

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 128, 172, 188, 344, 376, 688, 752, 1376, 1504, 2021, 2752, 3008, 4042, 5504, 6016, 8084, 16168, 32336, 64672, 129344, 258688]

約数ペア:

[(1, 258688), (2, 129344), (4, 64672), (8, 32336), (16, 16168), (32, 8084), (43, 6016), (47, 5504), (64, 4042), (86, 3008), (94, 2752), (128, 2021), (172, 1504), (188, 1376), (344, 752), (376, 688)]