28729324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42499}}^1$

素因数の和:42529

約数の個数: 18

約数和(自身を含む): 54442500

約数和(自身を除く): 25713176

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42499, 84998, 169996, 552487, 1104974, 2209948, 7182331, 14364662, 28729324]

約数ペア:

[(1, 28729324), (2, 14364662), (4, 7182331), (13, 2209948), (26, 1104974), (52, 552487), (169, 169996), (338, 84998), (676, 42499)]