205124520809

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{20627}}^1$

素因数の和:20854

約数の個数: 36

約数和(自身を含む): 235872351216

約数和(自身を除く): 30747830407

約数列:

[1, 13, 19, 163, 169, 247, 361, 2119, 3097, 3211, 4693, 20627, 27547, 40261, 58843, 61009, 268151, 391913, 523393, 764959, 3362201, 3485963, 5094869, 7446347, 9944467, 43708613, 63881819, 66233297, 96802511, 568211969, 830463647, 1213754561, 1258432643, 10796027411, 15778809293, 205124520809]

約数ペア:

[(1, 205124520809), (13, 15778809293), (19, 10796027411), (163, 1258432643), (169, 1213754561), (247, 830463647), (361, 568211969), (2119, 96802511), (3097, 66233297), (3211, 63881819), (4693, 43708613), (20627, 9944467), (27547, 7446347), (40261, 5094869), (58843, 3485963), (61009, 3362201), (268151, 764959), (391913, 523393)]