16287856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{78307}}^1$

素因数の和:78328

約数の個数: 20

約数和(自身を含む): 33985672

約数和(自身を除く): 17697816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 78307, 156614, 313228, 626456, 1017991, 1252912, 2035982, 4071964, 8143928, 16287856]

約数ペア:

[(1, 16287856), (2, 8143928), (4, 4071964), (8, 2035982), (13, 1252912), (16, 1017991), (26, 626456), (52, 313228), (104, 156614), (208, 78307)]