About the Number
2791992021
2進数表記:10100110011010100110101011010101
漢数字表記:二十七億九千百九十九万二千二十一
素因数分解:
素因数の和:691
約数の個数: 96
約数和(自身を含む): 4858939008
約数和(自身を除く): 2066946987
約数列:
[1, 3, 7, 13, 21, 39, 43, 49, 61, 91, 129, 147, 183, 273, 301, 427, 557, 559, 637, 793, 903, 1281, 1671, 1677, 1911, 2107, 2379, 2623, 2989, 3899, 3913, 5551, 6321, 7241, 7869, 8967, 11697, 11739, 16653, 18361, 21723, 23951, 27293, 27391, 33977, 34099, 38857, 50687, 55083, 71853, 81879, 82173, 101931, 102297, 116571, 128527, 152061, 167657, 237839, 238693, 311363, 354809, 385581, 441701, 502971, 713517, 716079, 934089, 1064427, 1173599, 1325103, 1461011, 1664873, 1670851, 2179541, 3091907, 3520797, 4383033, 4994619, 5012553, 6538623, 9275721, 10227077, 15256787, 18993143, 21643349, 30681231, 45770361, 56979429, 64930047, 71589539, 132952001, 214768617, 398856003, 930664007, 2791992021]
約数ペア:
[(1, 2791992021), (3, 930664007), (7, 398856003), (13, 214768617), (21, 132952001), (39, 71589539), (43, 64930047), (49, 56979429), (61, 45770361), (91, 30681231), (129, 21643349), (147, 18993143), (183, 15256787), (273, 10227077), (301, 9275721), (427, 6538623), (557, 5012553), (559, 4994619), (637, 4383033), (793, 3520797), (903, 3091907), (1281, 2179541), (1671, 1670851), (1677, 1664873), (1911, 1461011), (2107, 1325103), (2379, 1173599), (2623, 1064427), (2989, 934089), (3899, 716079), (3913, 713517), (5551, 502971), (6321, 441701), (7241, 385581), (7869, 354809), (8967, 311363), (11697, 238693), (11739, 237839), (16653, 167657), (18361, 152061), (21723, 128527), (23951, 116571), (27293, 102297), (27391, 101931), (33977, 82173), (34099, 81879), (38857, 71853), (50687, 55083)]このpageの処理時間: 0.31975245475769043 seconds