642814172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4411

約数の個数: 96

約数和(自身を含む): 1551567360

約数和(自身を除く): 908753188

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 37, 44, 52, 74, 77, 91, 143, 148, 154, 182, 259, 286, 308, 364, 407, 481, 518, 572, 814, 962, 1001, 1036, 1628, 1924, 2002, 2849, 3367, 4004, 4339, 5291, 5698, 6734, 8678, 10582, 11396, 13468, 17356, 21164, 30373, 37037, 47729, 56407, 60746, 74074, 95458, 112814, 121492, 148148, 160543, 190916, 225628, 321086, 334103, 394849, 620477, 642172, 668206, 789698, 1123801, 1240954, 1336412, 1579396, 1765973, 2087059, 2247602, 2481908, 3531946, 4174118, 4343339, 4495204, 7063892, 8348236, 8686678, 12361811, 14609413, 17373356, 22957649, 24723622, 29218826, 45915298, 49447244, 58437652, 91830596, 160703543, 321407086, 642814172]

約数ペア:

[(1, 642814172), (2, 321407086), (4, 160703543), (7, 91830596), (11, 58437652), (13, 49447244), (14, 45915298), (22, 29218826), (26, 24723622), (28, 22957649), (37, 17373356), (44, 14609413), (52, 12361811), (74, 8686678), (77, 8348236), (91, 7063892), (143, 4495204), (148, 4343339), (154, 4174118), (182, 3531946), (259, 2481908), (286, 2247602), (308, 2087059), (364, 1765973), (407, 1579396), (481, 1336412), (518, 1240954), (572, 1123801), (814, 789698), (962, 668206), (1001, 642172), (1036, 620477), (1628, 394849), (1924, 334103), (2002, 321086), (2849, 225628), (3367, 190916), (4004, 160543), (4339, 148148), (5291, 121492), (5698, 112814), (6734, 95458), (8678, 74074), (10582, 60746), (11396, 56407), (13468, 47729), (17356, 37037), (21164, 30373)]