39883988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 71341032

約数和(自身を除く): 31457044

約数列:

[1, 2, 4, 73, 137, 146, 274, 292, 548, 997, 1994, 3988, 10001, 20002, 40004, 72781, 136589, 145562, 273178, 291124, 546356, 9970997, 19941994, 39883988]

約数ペア:

[(1, 39883988), (2, 19941994), (4, 9970997), (73, 546356), (137, 291124), (146, 273178), (274, 145562), (292, 136589), (548, 72781), (997, 40004), (1994, 20002), (3988, 10001)]