728118

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2156

約数の個数: 24

約数和(自身を含む): 1661400

約数和(自身を除く): 933282

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 2129, 4258, 6387, 12774, 19161, 38322, 40451, 80902, 121353, 242706, 364059, 728118]

約数ペア:

[(1, 728118), (2, 364059), (3, 242706), (6, 121353), (9, 80902), (18, 40451), (19, 38322), (38, 19161), (57, 12774), (114, 6387), (171, 4258), (342, 2129)]