28705648

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{33851}}^1$

素因数の和:33912

約数の個数: 20

約数和(自身を含む): 56668248

約数和(自身を除く): 27962600

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 33851, 67702, 135404, 270808, 541616, 1794103, 3588206, 7176412, 14352824, 28705648]

約数ペア:

[(1, 28705648), (2, 14352824), (4, 7176412), (8, 3588206), (16, 1794103), (53, 541616), (106, 270808), (212, 135404), (424, 67702), (848, 33851)]