28439406

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{3863}}^1$

素因数の和:4280

約数の個数: 24

約数和(自身を含む): 61785360

約数和(自身を除く): 33345954

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 3681, 3863, 7362, 7726, 11589, 23178, 34767, 69534, 1579967, 3159934, 4739901, 9479802, 14219703, 28439406]

約数ペア:

[(1, 28439406), (2, 14219703), (3, 9479802), (6, 4739901), (9, 3159934), (18, 1579967), (409, 69534), (818, 34767), (1227, 23178), (2454, 11589), (3681, 7726), (3863, 7362)]