820365679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 1094123520

約数和(自身を除く): 273757841

約数列:

[1, 7, 19, 23, 31, 41, 133, 161, 211, 217, 287, 437, 589, 713, 779, 943, 1271, 1477, 3059, 4009, 4123, 4853, 4991, 5453, 6541, 6601, 8651, 8897, 13547, 17917, 24149, 28063, 29233, 33971, 45787, 60557, 92207, 94829, 124279, 125419, 150443, 164369, 169043, 198973, 204631, 268181, 555427, 645449, 869953, 1053101, 1150583, 1392811, 1877267, 2858417, 3780487, 3887989, 5095439, 6168163, 20008919, 26463409, 35668073, 43177141, 117195097, 820365679]

約数ペア:

[(1, 820365679), (7, 117195097), (19, 43177141), (23, 35668073), (31, 26463409), (41, 20008919), (133, 6168163), (161, 5095439), (211, 3887989), (217, 3780487), (287, 2858417), (437, 1877267), (589, 1392811), (713, 1150583), (779, 1053101), (943, 869953), (1271, 645449), (1477, 555427), (3059, 268181), (4009, 204631), (4123, 198973), (4853, 169043), (4991, 164369), (5453, 150443), (6541, 125419), (6601, 124279), (8651, 94829), (8897, 92207), (13547, 60557), (17917, 45787), (24149, 33971), (28063, 29233)]