161777902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 299593728

約数和(自身を除く): 137815826

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 71, 142, 143, 257, 286, 341, 403, 514, 682, 781, 806, 923, 1562, 1846, 2201, 2827, 3341, 4402, 4433, 5654, 6682, 7967, 8866, 10153, 15934, 18247, 20306, 24211, 28613, 36494, 36751, 48422, 57226, 73502, 87637, 103571, 175274, 200717, 207142, 237211, 314743, 401434, 474422, 565657, 629486, 1131314, 1139281, 2278562, 2609321, 5218642, 6222227, 7353541, 12444454, 14707082, 80888951, 161777902]

約数ペア:

[(1, 161777902), (2, 80888951), (11, 14707082), (13, 12444454), (22, 7353541), (26, 6222227), (31, 5218642), (62, 2609321), (71, 2278562), (142, 1139281), (143, 1131314), (257, 629486), (286, 565657), (341, 474422), (403, 401434), (514, 314743), (682, 237211), (781, 207142), (806, 200717), (923, 175274), (1562, 103571), (1846, 87637), (2201, 73502), (2827, 57226), (3341, 48422), (4402, 36751), (4433, 36494), (5654, 28613), (6682, 24211), (7967, 20306), (8866, 18247), (10153, 15934)]