158838218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 306892800

約数和(自身を除く): 148054582

約数列:

[1, 2, 7, 11, 14, 22, 71, 73, 77, 142, 146, 154, 199, 398, 497, 511, 781, 803, 994, 1022, 1393, 1562, 1606, 2189, 2786, 4378, 5183, 5467, 5621, 10366, 10934, 11242, 14129, 14527, 15323, 28258, 29054, 30646, 36281, 57013, 72562, 98903, 101689, 114026, 155419, 159797, 197806, 203378, 310838, 319594, 399091, 798182, 1031417, 1087933, 1118579, 2062834, 2175866, 2237158, 7219919, 11345587, 14439838, 22691174, 79419109, 158838218]

約数ペア:

[(1, 158838218), (2, 79419109), (7, 22691174), (11, 14439838), (14, 11345587), (22, 7219919), (71, 2237158), (73, 2175866), (77, 2062834), (142, 1118579), (146, 1087933), (154, 1031417), (199, 798182), (398, 399091), (497, 319594), (511, 310838), (781, 203378), (803, 197806), (994, 159797), (1022, 155419), (1393, 114026), (1562, 101689), (1606, 98903), (2189, 72562), (2786, 57013), (4378, 36281), (5183, 30646), (5467, 29054), (5621, 28258), (10366, 15323), (10934, 14527), (11242, 14129)]