409291854

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 890403840

約数和(自身を除く): 481111986

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 71, 74, 111, 138, 142, 213, 222, 426, 851, 1129, 1633, 1702, 2258, 2553, 2627, 3266, 3387, 4899, 5106, 5254, 6774, 7881, 9798, 15762, 25967, 41773, 51934, 60421, 77901, 80159, 83546, 120842, 125319, 155802, 160318, 181263, 240477, 250638, 362526, 480954, 960779, 1843657, 1921558, 2882337, 2965883, 3687314, 5530971, 5764674, 5931766, 8897649, 11061942, 17795298, 68215309, 136430618, 204645927, 409291854]

約数ペア:

[(1, 409291854), (2, 204645927), (3, 136430618), (6, 68215309), (23, 17795298), (37, 11061942), (46, 8897649), (69, 5931766), (71, 5764674), (74, 5530971), (111, 3687314), (138, 2965883), (142, 2882337), (213, 1921558), (222, 1843657), (426, 960779), (851, 480954), (1129, 362526), (1633, 250638), (1702, 240477), (2258, 181263), (2553, 160318), (2627, 155802), (3266, 125319), (3387, 120842), (4899, 83546), (5106, 80159), (5254, 77901), (6774, 60421), (7881, 51934), (9798, 41773), (15762, 25967)]