2156337911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{911}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 2874332160

約数和(自身を除く): 717994249

約数列:

[1, 7, 13, 19, 37, 91, 133, 247, 259, 481, 703, 911, 1369, 1729, 3367, 4921, 6377, 9139, 9583, 11843, 17309, 17797, 26011, 33707, 63973, 82901, 121163, 124579, 182077, 225017, 235949, 338143, 438191, 640433, 1247159, 1575119, 2367001, 3067337, 4483031, 8325629, 8730113, 16213067, 23696021, 58279403, 113491469, 165872147, 308048273, 2156337911]

約数ペア:

[(1, 2156337911), (7, 308048273), (13, 165872147), (19, 113491469), (37, 58279403), (91, 23696021), (133, 16213067), (247, 8730113), (259, 8325629), (481, 4483031), (703, 3067337), (911, 2367001), (1369, 1575119), (1729, 1247159), (3367, 640433), (4921, 438191), (6377, 338143), (9139, 235949), (9583, 225017), (11843, 182077), (17309, 124579), (17797, 121163), (26011, 82901), (33707, 63973)]