85731568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{412171}}^1$

素因数の和:412192

約数の個数: 20

約数和(自身を含む): 178882648

約数和(自身を除く): 93151080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 412171, 824342, 1648684, 3297368, 5358223, 6594736, 10716446, 21432892, 42865784, 85731568]

約数ペア:

[(1, 85731568), (2, 42865784), (4, 21432892), (8, 10716446), (13, 6594736), (16, 5358223), (26, 3297368), (52, 1648684), (104, 824342), (208, 412171)]