218960864

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2417}}^1$

素因数の和:2595

約数の個数: 48

約数和(自身を含む): 457002000

約数和(自身を除く): 238041136

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 298, 304, 596, 608, 1192, 2384, 2417, 2831, 4768, 4834, 5662, 9668, 11324, 19336, 22648, 38672, 45296, 45923, 77344, 90592, 91846, 183692, 360133, 367384, 720266, 734768, 1440532, 1469536, 2881064, 5762128, 6842527, 11524256, 13685054, 27370108, 54740216, 109480432, 218960864]

約数ペア:

[(1, 218960864), (2, 109480432), (4, 54740216), (8, 27370108), (16, 13685054), (19, 11524256), (32, 6842527), (38, 5762128), (76, 2881064), (149, 1469536), (152, 1440532), (298, 734768), (304, 720266), (596, 367384), (608, 360133), (1192, 183692), (2384, 91846), (2417, 90592), (2831, 77344), (4768, 45923), (4834, 45296), (5662, 38672), (9668, 22648), (11324, 19336)]