209218088

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{239929}}^1$

素因数の和:240044

約数の個数: 16

約数和(自身を含む): 395884500

約数和(自身を除く): 186666412

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 239929, 479858, 959716, 1919432, 26152261, 52304522, 104609044, 209218088]

約数ペア:

[(1, 209218088), (2, 104609044), (4, 52304522), (8, 26152261), (109, 1919432), (218, 959716), (436, 479858), (872, 239929)]