81922672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{393859}}^1$

素因数の和:393880

約数の個数: 20

約数和(自身を含む): 170935240

約数和(自身を除く): 89012568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 393859, 787718, 1575436, 3150872, 5120167, 6301744, 10240334, 20480668, 40961336, 81922672]

約数ペア:

[(1, 81922672), (2, 40961336), (4, 20480668), (8, 10240334), (13, 6301744), (16, 5120167), (26, 3150872), (52, 1575436), (104, 787718), (208, 393859)]