28338790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69119}}^1$

素因数の和:69167

約数の個数: 16

約数和(自身を含む): 52254720

約数和(自身を除く): 23915930

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 69119, 138238, 345595, 691190, 2833879, 5667758, 14169395, 28338790]

約数ペア:

[(1, 28338790), (2, 14169395), (5, 5667758), (10, 2833879), (41, 691190), (82, 345595), (205, 138238), (410, 69119)]