219687568

素因数分解:

$2^4\times {\mathrm{2797}}^1\times {\mathrm{4909}}^1$

素因数の和:7714

約数の個数: 20

約数和(自身を含む): 425883580

約数和(自身を除く): 206196012

約数列:

[1, 2, 4, 8, 16, 2797, 4909, 5594, 9818, 11188, 19636, 22376, 39272, 44752, 78544, 13730473, 27460946, 54921892, 109843784, 219687568]

約数ペア:

[(1, 219687568), (2, 109843784), (4, 54921892), (8, 27460946), (16, 13730473), (2797, 78544), (4909, 44752), (5594, 39272), (9818, 22376), (11188, 19636)]