259669564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20563}}^1$

素因数の和:20626

約数の個数: 48

約数和(自身を含む): 580398336

約数和(自身を除く): 320728772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 3157, 6314, 12628, 20563, 41126, 82252, 143941, 226193, 287882, 452386, 575764, 843083, 904772, 1583351, 1686166, 3166702, 3372332, 5901581, 6333404, 9273913, 11803162, 18547826, 23606324, 37095652, 64917391, 129834782, 259669564]

約数ペア:

[(1, 259669564), (2, 129834782), (4, 64917391), (7, 37095652), (11, 23606324), (14, 18547826), (22, 11803162), (28, 9273913), (41, 6333404), (44, 5901581), (77, 3372332), (82, 3166702), (154, 1686166), (164, 1583351), (287, 904772), (308, 843083), (451, 575764), (574, 452386), (902, 287882), (1148, 226193), (1804, 143941), (3157, 82252), (6314, 41126), (12628, 20563)]