408052172

素因数分解:

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

素因数の和:20630

約数の個数: 36

約数和(自身を含む): 804093528

約数和(自身を除く): 396041356

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 4961, 9922, 19844, 20563, 41126, 82252, 226193, 452386, 843083, 904772, 1686166, 2488123, 3372332, 4976246, 9273913, 9952492, 18547826, 37095652, 102013043, 204026086, 408052172]

約数ペア:

[(1, 408052172), (2, 204026086), (4, 102013043), (11, 37095652), (22, 18547826), (41, 9952492), (44, 9273913), (82, 4976246), (121, 3372332), (164, 2488123), (242, 1686166), (451, 904772), (484, 843083), (902, 452386), (1804, 226193), (4961, 82252), (9922, 41126), (19844, 20563)]