654032

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 20

約数和(自身を含む): 1299396

約数和(自身を除く): 645364

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 997, 1994, 3988, 7976, 15952, 40877, 81754, 163508, 327016, 654032]

約数ペア:

[(1, 654032), (2, 327016), (4, 163508), (8, 81754), (16, 40877), (41, 15952), (82, 7976), (164, 3988), (328, 1994), (656, 997)]