30990448

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{28909}}^1$

素因数の和:28984

約数の個数: 20

約数和(自身を含む): 60942280

約数和(自身を除く): 29951832

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 28909, 57818, 115636, 231272, 462544, 1936903, 3873806, 7747612, 15495224, 30990448]

約数ペア:

[(1, 30990448), (2, 15495224), (4, 7747612), (8, 3873806), (16, 1936903), (67, 462544), (134, 231272), (268, 115636), (536, 57818), (1072, 28909)]