221293904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1063913}}^1$

素因数の和:1063934

約数の個数: 20

約数和(自身を含む): 461738676

約数和(自身を除く): 240444772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1063913, 2127826, 4255652, 8511304, 13830869, 17022608, 27661738, 55323476, 110646952, 221293904]

約数ペア:

[(1, 221293904), (2, 110646952), (4, 55323476), (8, 27661738), (13, 17022608), (16, 13830869), (26, 8511304), (52, 4255652), (104, 2127826), (208, 1063913)]