81659164

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 144789120

約数和(自身を除く): 63129956

約数列:

[1, 2, 4, 139, 227, 278, 454, 556, 647, 908, 1294, 2588, 31553, 63106, 89933, 126212, 146869, 179866, 293738, 359732, 587476, 20414791, 40829582, 81659164]

約数ペア:

[(1, 81659164), (2, 40829582), (4, 20414791), (139, 587476), (227, 359732), (278, 293738), (454, 179866), (556, 146869), (647, 126212), (908, 89933), (1294, 63106), (2588, 31553)]