221707408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1065901}}^1$

素因数の和:1065922

約数の個数: 20

約数和(自身を含む): 462601468

約数和(自身を除く): 240894060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1065901, 2131802, 4263604, 8527208, 13856713, 17054416, 27713426, 55426852, 110853704, 221707408]

約数ペア:

[(1, 221707408), (2, 110853704), (4, 55426852), (8, 27713426), (13, 17054416), (16, 13856713), (26, 8527208), (52, 4263604), (104, 2131802), (208, 1065901)]