266291251

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 287020800

約数和(自身を除く): 20729549

約数列:

[1, 19, 71, 109, 1349, 1811, 2071, 7739, 34409, 128581, 147041, 197399, 2443039, 3750581, 14015329, 266291251]

約数ペア:

[(1, 266291251), (19, 14015329), (71, 3750581), (109, 2443039), (1349, 197399), (1811, 147041), (2071, 128581), (7739, 34409)]