64168516

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 114095520

約数和(自身を除く): 49927004

約数列:

[1, 2, 4, 131, 139, 262, 278, 524, 556, 881, 1762, 3524, 18209, 36418, 72836, 115411, 122459, 230822, 244918, 461644, 489836, 16042129, 32084258, 64168516]

約数ペア:

[(1, 64168516), (2, 32084258), (4, 16042129), (131, 489836), (139, 461644), (262, 244918), (278, 230822), (524, 122459), (556, 115411), (881, 72836), (1762, 36418), (3524, 18209)]