221061484

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{76651}}^1$

素因数の和:76765

約数の個数: 24

約数和(自身を含む): 446421248

約数和(自身を除く): 225359764

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 76651, 153302, 306604, 536557, 1073114, 2146228, 7895053, 15790106, 31580212, 55265371, 110530742, 221061484]

約数ペア:

[(1, 221061484), (2, 110530742), (4, 55265371), (7, 31580212), (14, 15790106), (28, 7895053), (103, 2146228), (206, 1073114), (412, 536557), (721, 306604), (1442, 153302), (2884, 76651)]