17878172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 36

約数和(自身を含む): 34587000

約数和(自身を除く): 16708828

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 499, 676, 689, 998, 1378, 1996, 2756, 6487, 8957, 12974, 17914, 25948, 26447, 35828, 52894, 84331, 105788, 168662, 337324, 343811, 687622, 1375244, 4469543, 8939086, 17878172]

約数ペア:

[(1, 17878172), (2, 8939086), (4, 4469543), (13, 1375244), (26, 687622), (52, 343811), (53, 337324), (106, 168662), (169, 105788), (212, 84331), (338, 52894), (499, 35828), (676, 26447), (689, 25948), (998, 17914), (1378, 12974), (1996, 8957), (2756, 6487)]