15661351139

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 19327870080

約数和(自身を除く): 3666518941

約数列:

[1, 7, 29, 47, 49, 203, 329, 421, 557, 1363, 1421, 2303, 2947, 3899, 9541, 12209, 16153, 19787, 20629, 26179, 27293, 66787, 85463, 113071, 138509, 183253, 234497, 573823, 598241, 759191, 791497, 969563, 1282771, 1641479, 4016761, 5314337, 6800413, 11021359, 11490353, 28117327, 37200359, 47602891, 77149513, 319619411, 333220237, 540046591, 2237335877, 15661351139]

約数ペア:

[(1, 15661351139), (7, 2237335877), (29, 540046591), (47, 333220237), (49, 319619411), (203, 77149513), (329, 47602891), (421, 37200359), (557, 28117327), (1363, 11490353), (1421, 11021359), (2303, 6800413), (2947, 5314337), (3899, 4016761), (9541, 1641479), (12209, 1282771), (16153, 969563), (19787, 791497), (20629, 759191), (26179, 598241), (27293, 573823), (66787, 234497), (85463, 183253), (113071, 138509)]