639778743408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{1144981}}^1$

素因数の和:1146662

約数の個数: 80

約数和(自身を含む): 1890008047616

約数和(自身を除く): 1250229304208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1663, 3326, 4989, 6652, 9978, 11641, 13304, 19956, 23282, 26608, 34923, 39912, 46564, 69846, 79824, 93128, 139692, 186256, 279384, 558768, 1144981, 2289962, 3434943, 4579924, 6869886, 8014867, 9159848, 13739772, 16029734, 18319696, 24044601, 27479544, 32059468, 48089202, 54959088, 64118936, 96178404, 128237872, 192356808, 384713616, 1904103403, 3808206806, 5712310209, 7616413612, 11424620418, 13328723821, 15232827224, 22849240836, 26657447642, 30465654448, 39986171463, 45698481672, 53314895284, 79972342926, 91396963344, 106629790568, 159944685852, 213259581136, 319889371704, 639778743408]

約数ペア:

[(1, 639778743408), (2, 319889371704), (3, 213259581136), (4, 159944685852), (6, 106629790568), (7, 91396963344), (8, 79972342926), (12, 53314895284), (14, 45698481672), (16, 39986171463), (21, 30465654448), (24, 26657447642), (28, 22849240836), (42, 15232827224), (48, 13328723821), (56, 11424620418), (84, 7616413612), (112, 5712310209), (168, 3808206806), (336, 1904103403), (1663, 384713616), (3326, 192356808), (4989, 128237872), (6652, 96178404), (9978, 64118936), (11641, 54959088), (13304, 48089202), (19956, 32059468), (23282, 27479544), (26608, 24044601), (34923, 18319696), (39912, 16029734), (46564, 13739772), (69846, 9159848), (79824, 8014867), (93128, 6869886), (139692, 4579924), (186256, 3434943), (279384, 2289962), (558768, 1144981)]