289581695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1049}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 389491200

約数和(自身を除く): 99909505

約数列:

[1, 5, 13, 31, 65, 137, 155, 403, 685, 1049, 1781, 2015, 4247, 5245, 8905, 13637, 21235, 32519, 55211, 68185, 143713, 162595, 276055, 422747, 718565, 1868269, 2113735, 4455103, 9341345, 22275515, 57916339, 289581695]

約数ペア:

[(1, 289581695), (5, 57916339), (13, 22275515), (31, 9341345), (65, 4455103), (137, 2113735), (155, 1868269), (403, 718565), (685, 422747), (1049, 276055), (1781, 162595), (2015, 143713), (4247, 68185), (5245, 55211), (8905, 32519), (13637, 21235)]