1640809323867

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{381977}}^1$

素因数の和:382168

約数の個数: 64

約数和(自身を含む): 2633191317504

約数和(自身を除く): 992381993637

約数列:

[1, 3, 7, 21, 43, 67, 71, 129, 201, 213, 301, 469, 497, 903, 1407, 1491, 2881, 3053, 4757, 8643, 9159, 14271, 20167, 21371, 33299, 60501, 64113, 99897, 204551, 381977, 613653, 1145931, 1431857, 2673839, 4295571, 8021517, 16425011, 25592459, 27120367, 49275033, 76777377, 81361101, 114975077, 179147213, 189842569, 344925231, 537441639, 569527707, 1100475737, 1166175781, 1817064589, 3301427211, 3498527343, 5451193767, 7703330159, 8163230467, 12719452123, 23109990477, 24489691401, 38158356369, 78133777327, 234401331981, 546936441289, 1640809323867]

約数ペア:

[(1, 1640809323867), (3, 546936441289), (7, 234401331981), (21, 78133777327), (43, 38158356369), (67, 24489691401), (71, 23109990477), (129, 12719452123), (201, 8163230467), (213, 7703330159), (301, 5451193767), (469, 3498527343), (497, 3301427211), (903, 1817064589), (1407, 1166175781), (1491, 1100475737), (2881, 569527707), (3053, 537441639), (4757, 344925231), (8643, 189842569), (9159, 179147213), (14271, 114975077), (20167, 81361101), (21371, 76777377), (33299, 49275033), (60501, 27120367), (64113, 25592459), (99897, 16425011), (204551, 8021517), (381977, 4295571), (613653, 2673839), (1145931, 1431857)]