81269344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195359}}^1$

素因数の和:195382

約数の個数: 24

約数和(自身を含む): 172307520

約数和(自身を除く): 91038176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195359, 390718, 781436, 1562872, 2539667, 3125744, 5079334, 6251488, 10158668, 20317336, 40634672, 81269344]

約数ペア:

[(1, 81269344), (2, 40634672), (4, 20317336), (8, 10158668), (13, 6251488), (16, 5079334), (26, 3125744), (32, 2539667), (52, 1562872), (104, 781436), (208, 390718), (416, 195359)]