207773072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{998909}}^1$

素因数の和:998930

約数の個数: 20

約数和(自身を含む): 433526940

約数和(自身を除く): 225753868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 998909, 1997818, 3995636, 7991272, 12985817, 15982544, 25971634, 51943268, 103886536, 207773072]

約数ペア:

[(1, 207773072), (2, 103886536), (4, 51943268), (8, 25971634), (13, 15982544), (16, 12985817), (26, 7991272), (52, 3995636), (104, 1997818), (208, 998909)]