16958728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 18499832

約数列:

[1, 2, 4, 8, 23, 37, 46, 47, 53, 74, 92, 94, 106, 148, 184, 188, 212, 296, 376, 424, 851, 1081, 1219, 1702, 1739, 1961, 2162, 2438, 2491, 3404, 3478, 3922, 4324, 4876, 4982, 6808, 6956, 7844, 8648, 9752, 9964, 13912, 15688, 19928, 39997, 45103, 57293, 79994, 90206, 92167, 114586, 159988, 180412, 184334, 229172, 319976, 360824, 368668, 458344, 737336, 2119841, 4239682, 8479364, 16958728]

約数ペア:

[(1, 16958728), (2, 8479364), (4, 4239682), (8, 2119841), (23, 737336), (37, 458344), (46, 368668), (47, 360824), (53, 319976), (74, 229172), (92, 184334), (94, 180412), (106, 159988), (148, 114586), (184, 92167), (188, 90206), (212, 79994), (296, 57293), (376, 45103), (424, 39997), (851, 19928), (1081, 15688), (1219, 13912), (1702, 9964), (1739, 9752), (1961, 8648), (2162, 7844), (2438, 6956), (2491, 6808), (3404, 4982), (3478, 4876), (3922, 4324)]