161999964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5689}}^1$

素因数の和:5819

約数の個数: 72

約数和(自身を含む): 472224480

約数和(自身を除く): 310224516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 791, 1017, 1356, 1582, 2034, 2373, 3164, 4068, 4746, 5689, 7119, 9492, 11378, 14238, 17067, 22756, 28476, 34134, 39823, 51201, 68268, 79646, 102402, 119469, 159292, 204804, 238938, 358407, 477876, 642857, 716814, 1285714, 1433628, 1928571, 2571428, 3857142, 4499999, 5785713, 7714284, 8999998, 11571426, 13499997, 17999996, 23142852, 26999994, 40499991, 53999988, 80999982, 161999964]

約数ペア:

[(1, 161999964), (2, 80999982), (3, 53999988), (4, 40499991), (6, 26999994), (7, 23142852), (9, 17999996), (12, 13499997), (14, 11571426), (18, 8999998), (21, 7714284), (28, 5785713), (36, 4499999), (42, 3857142), (63, 2571428), (84, 1928571), (113, 1433628), (126, 1285714), (226, 716814), (252, 642857), (339, 477876), (452, 358407), (678, 238938), (791, 204804), (1017, 159292), (1356, 119469), (1582, 102402), (2034, 79646), (2373, 68268), (3164, 51201), (4068, 39823), (4746, 34134), (5689, 28476), (7119, 22756), (9492, 17067), (11378, 14238)]