71991073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 97320960

約数和(自身を除く): 25329887

約数列:

[1, 7, 11, 17, 43, 77, 119, 187, 301, 473, 731, 1279, 1309, 3311, 5117, 8041, 8953, 14069, 21743, 54997, 56287, 98483, 152201, 239173, 384979, 604967, 934949, 1674211, 4234769, 6544643, 10284439, 71991073]

約数ペア:

[(1, 71991073), (7, 10284439), (11, 6544643), (17, 4234769), (43, 1674211), (77, 934949), (119, 604967), (187, 384979), (301, 239173), (473, 152201), (731, 98483), (1279, 56287), (1309, 54997), (3311, 21743), (5117, 14069), (8041, 8953)]