81699996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 226895872

約数和(自身を除く): 145195876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 97, 111, 148, 194, 222, 259, 271, 291, 388, 444, 518, 542, 582, 679, 777, 813, 1036, 1084, 1164, 1358, 1554, 1626, 1897, 2037, 2716, 3108, 3252, 3589, 3794, 4074, 5691, 7178, 7588, 8148, 10027, 10767, 11382, 14356, 20054, 21534, 22764, 25123, 26287, 30081, 40108, 43068, 50246, 52574, 60162, 70189, 75369, 78861, 100492, 105148, 120324, 140378, 150738, 157722, 184009, 210567, 280756, 301476, 315444, 368018, 421134, 552027, 736036, 842268, 972619, 1104054, 1945238, 2208108, 2917857, 3890476, 5835714, 6808333, 11671428, 13616666, 20424999, 27233332, 40849998, 81699996]

約数ペア:

[(1, 81699996), (2, 40849998), (3, 27233332), (4, 20424999), (6, 13616666), (7, 11671428), (12, 6808333), (14, 5835714), (21, 3890476), (28, 2917857), (37, 2208108), (42, 1945238), (74, 1104054), (84, 972619), (97, 842268), (111, 736036), (148, 552027), (194, 421134), (222, 368018), (259, 315444), (271, 301476), (291, 280756), (388, 210567), (444, 184009), (518, 157722), (542, 150738), (582, 140378), (679, 120324), (777, 105148), (813, 100492), (1036, 78861), (1084, 75369), (1164, 70189), (1358, 60162), (1554, 52574), (1626, 50246), (1897, 43068), (2037, 40108), (2716, 30081), (3108, 26287), (3252, 25123), (3589, 22764), (3794, 21534), (4074, 20054), (5691, 14356), (7178, 11382), (7588, 10767), (8148, 10027)]