208335772016

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{128920651}}^1$

素因数の和:128920760

約数の個数: 20

約数和(自身を含む): 407647101624

約数和(自身を除く): 199311329608

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 128920651, 257841302, 515682604, 1031365208, 2062730416, 13020985751, 26041971502, 52083943004, 104167886008, 208335772016]

約数ペア:

[(1, 208335772016), (2, 104167886008), (4, 52083943004), (8, 26041971502), (16, 13020985751), (101, 2062730416), (202, 1031365208), (404, 515682604), (808, 257841302), (1616, 128920651)]