161796311989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{19786757}}^1$

素因数の和:19786824

約数の個数: 16

約数和(自身を含む): 189477994608

約数和(自身を除く): 27681682619

約数列:

[1, 13, 17, 37, 221, 481, 629, 8177, 19786757, 257227841, 336374869, 732110009, 4372873297, 9517430117, 12445870153, 161796311989]

約数ペア:

[(1, 161796311989), (13, 12445870153), (17, 9517430117), (37, 4372873297), (221, 732110009), (481, 336374869), (629, 257227841), (8177, 19786757)]