28391886

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{3593}}^1$

素因数の和:4040

約数の個数: 24

約数和(自身を含む): 61673040

約数和(自身を除く): 33281154

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2634, 3593, 3951, 7186, 7902, 10779, 21558, 32337, 64674, 1577327, 3154654, 4731981, 9463962, 14195943, 28391886]

約数ペア:

[(1, 28391886), (2, 14195943), (3, 9463962), (6, 4731981), (9, 3154654), (18, 1577327), (439, 64674), (878, 32337), (1317, 21558), (2634, 10779), (3593, 7902), (3951, 7186)]