40991912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{394153}}^1$

素因数の和:394172

約数の個数: 16

約数和(自身を含む): 82772340

約数和(自身を除く): 41780428

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 394153, 788306, 1576612, 3153224, 5123989, 10247978, 20495956, 40991912]

約数ペア:

[(1, 40991912), (2, 20495956), (4, 10247978), (8, 5123989), (13, 3153224), (26, 1576612), (52, 788306), (104, 394153)]