138288256

素因数分解:

$2^7\times {\mathrm{541}}^1\times {\mathrm{1997}}^1$

素因数の和:2552

約数の個数: 32

約数和(自身を含む): 276143580

約数和(自身を除く): 137855324

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 541, 1082, 1997, 2164, 3994, 4328, 7988, 8656, 15976, 17312, 31952, 34624, 63904, 69248, 127808, 255616, 1080377, 2160754, 4321508, 8643016, 17286032, 34572064, 69144128, 138288256]

約数ペア:

[(1, 138288256), (2, 69144128), (4, 34572064), (8, 17286032), (16, 8643016), (32, 4321508), (64, 2160754), (128, 1080377), (541, 255616), (1082, 127808), (1997, 69248), (2164, 63904), (3994, 34624), (4328, 31952), (7988, 17312), (8656, 15976)]