205945688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1980247}}^1$

素因数の和:1980266

約数の個数: 16

約数和(自身を含む): 415852080

約数和(自身を除く): 209906392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1980247, 3960494, 7920988, 15841976, 25743211, 51486422, 102972844, 205945688]

約数ペア:

[(1, 205945688), (2, 102972844), (4, 51486422), (8, 25743211), (13, 15841976), (26, 7920988), (52, 3960494), (104, 1980247)]