81409554

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1879}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 184766400

約数和(自身を除く): 103356846

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 498, 522, 747, 1494, 1879, 2407, 3758, 4814, 5637, 7221, 11274, 14442, 16911, 21663, 33822, 43326, 54491, 108982, 155957, 163473, 311914, 326946, 467871, 490419, 935742, 980838, 1403613, 2807226, 4522753, 9045506, 13568259, 27136518, 40704777, 81409554]

約数ペア:

[(1, 81409554), (2, 40704777), (3, 27136518), (6, 13568259), (9, 9045506), (18, 4522753), (29, 2807226), (58, 1403613), (83, 980838), (87, 935742), (166, 490419), (174, 467871), (249, 326946), (261, 311914), (498, 163473), (522, 155957), (747, 108982), (1494, 54491), (1879, 43326), (2407, 33822), (3758, 21663), (4814, 16911), (5637, 14442), (7221, 11274)]