28013916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1997}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 75188736

約数和(自身を除く): 47174820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 167, 334, 501, 668, 1002, 1169, 1997, 2004, 2338, 3507, 3994, 4676, 5991, 7014, 7988, 11982, 13979, 14028, 23964, 27958, 41937, 55916, 83874, 167748, 333499, 666998, 1000497, 1333996, 2000994, 2334493, 4001988, 4668986, 7003479, 9337972, 14006958, 28013916]

約数ペア:

[(1, 28013916), (2, 14006958), (3, 9337972), (4, 7003479), (6, 4668986), (7, 4001988), (12, 2334493), (14, 2000994), (21, 1333996), (28, 1000497), (42, 666998), (84, 333499), (167, 167748), (334, 83874), (501, 55916), (668, 41937), (1002, 27958), (1169, 23964), (1997, 14028), (2004, 13979), (2338, 11982), (3507, 7988), (3994, 7014), (4676, 5991)]