1665008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5504

約数の個数: 20

約数和(自身を含む): 3396360

約数和(自身を除く): 1731352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5477, 10954, 21908, 43816, 87632, 104063, 208126, 416252, 832504, 1665008]

約数ペア:

[(1, 1665008), (2, 832504), (4, 416252), (8, 208126), (16, 104063), (19, 87632), (38, 43816), (76, 21908), (152, 10954), (304, 5477)]