221514904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2129951}}^1$

素因数の和:2129970

約数の個数: 16

約数和(自身を含む): 447289920

約数和(自身を除く): 225775016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2129951, 4259902, 8519804, 17039608, 27689363, 55378726, 110757452, 221514904]

約数ペア:

[(1, 221514904), (2, 110757452), (4, 55378726), (8, 27689363), (13, 17039608), (26, 8519804), (52, 4259902), (104, 2129951)]