27880816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{102503}}^1$

素因数の和:102528

約数の個数: 20

約数和(自身を含む): 57197232

約数和(自身を除く): 29316416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 102503, 205006, 410012, 820024, 1640048, 1742551, 3485102, 6970204, 13940408, 27880816]

約数ペア:

[(1, 27880816), (2, 13940408), (4, 6970204), (8, 3485102), (16, 1742551), (17, 1640048), (34, 820024), (68, 410012), (136, 205006), (272, 102503)]