489856

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 1009800

約数和(自身を除く): 519944

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 128, 172, 178, 344, 356, 688, 712, 1376, 1424, 2752, 2848, 3827, 5504, 5696, 7654, 11392, 15308, 30616, 61232, 122464, 244928, 489856]

約数ペア:

[(1, 489856), (2, 244928), (4, 122464), (8, 61232), (16, 30616), (32, 15308), (43, 11392), (64, 7654), (86, 5696), (89, 5504), (128, 3827), (172, 2848), (178, 2752), (344, 1424), (356, 1376), (688, 712)]