128884986

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 296472960

約数和(自身を除く): 167587974

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 251, 257, 333, 502, 514, 666, 753, 771, 999, 1506, 1542, 1998, 2259, 2313, 4518, 4626, 6777, 6939, 9287, 9509, 13554, 13878, 18574, 19018, 27861, 28527, 55722, 57054, 64507, 83583, 85581, 129014, 167166, 171162, 193521, 250749, 256743, 387042, 501498, 513486, 580563, 1161126, 1741689, 2386759, 3483378, 4773518, 7160277, 14320554, 21480831, 42961662, 64442493, 128884986]

約数ペア:

[(1, 128884986), (2, 64442493), (3, 42961662), (6, 21480831), (9, 14320554), (18, 7160277), (27, 4773518), (37, 3483378), (54, 2386759), (74, 1741689), (111, 1161126), (222, 580563), (251, 513486), (257, 501498), (333, 387042), (502, 256743), (514, 250749), (666, 193521), (753, 171162), (771, 167166), (999, 129014), (1506, 85581), (1542, 83583), (1998, 64507), (2259, 57054), (2313, 55722), (4518, 28527), (4626, 27861), (6777, 19018), (6939, 18574), (9287, 13878), (9509, 13554)]