1801737025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 2485465920

約数和(自身を除く): 683728895

約数列:

[1, 5, 11, 25, 55, 83, 193, 275, 409, 415, 913, 965, 2045, 2075, 2123, 4499, 4565, 4825, 10225, 10615, 16019, 22495, 22825, 33947, 53075, 78937, 80095, 112475, 169735, 176209, 373417, 394685, 400475, 848675, 868307, 881045, 1867085, 1973425, 4341535, 4405225, 6551771, 9335425, 21707675, 32758855, 72069481, 163794275, 360347405, 1801737025]

約数ペア:

[(1, 1801737025), (5, 360347405), (11, 163794275), (25, 72069481), (55, 32758855), (83, 21707675), (193, 9335425), (275, 6551771), (409, 4405225), (415, 4341535), (913, 1973425), (965, 1867085), (2045, 881045), (2075, 868307), (2123, 848675), (4499, 400475), (4565, 394685), (4825, 373417), (10225, 176209), (10615, 169735), (16019, 112475), (22495, 80095), (22825, 78937), (33947, 53075)]