66409690

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{7487}}^1$

素因数の和:8381

約数の個数: 16

約数和(自身を含む): 119688192

約数和(自身を除く): 53278502

約数列:

[1, 2, 5, 10, 887, 1774, 4435, 7487, 8870, 14974, 37435, 74870, 6640969, 13281938, 33204845, 66409690]

約数ペア:

[(1, 66409690), (2, 33204845), (5, 13281938), (10, 6640969), (887, 74870), (1774, 37435), (4435, 14974), (7487, 8870)]