68944428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 200727072

約数和(自身を除く): 131782644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 548, 822, 959, 1233, 1644, 1918, 1997, 2466, 2877, 3836, 3994, 4932, 5754, 5991, 7988, 8631, 11508, 11982, 13979, 17262, 17973, 23964, 27958, 34524, 35946, 41937, 55916, 71892, 83874, 125811, 167748, 251622, 273589, 503244, 547178, 820767, 1094356, 1641534, 1915123, 2462301, 3283068, 3830246, 4924602, 5745369, 7660492, 9849204, 11490738, 17236107, 22981476, 34472214, 68944428]

約数ペア:

[(1, 68944428), (2, 34472214), (3, 22981476), (4, 17236107), (6, 11490738), (7, 9849204), (9, 7660492), (12, 5745369), (14, 4924602), (18, 3830246), (21, 3283068), (28, 2462301), (36, 1915123), (42, 1641534), (63, 1094356), (84, 820767), (126, 547178), (137, 503244), (252, 273589), (274, 251622), (411, 167748), (548, 125811), (822, 83874), (959, 71892), (1233, 55916), (1644, 41937), (1918, 35946), (1997, 34524), (2466, 27958), (2877, 23964), (3836, 17973), (3994, 17262), (4932, 13979), (5754, 11982), (5991, 11508), (7988, 8631)]