131435570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{81637}}^1$

素因数の和:81674

約数の個数: 32

約数和(自身を含む): 282140928

約数和(自身を除く): 150705358

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 81637, 163274, 408185, 571459, 816370, 1142918, 1877651, 2857295, 3755302, 5714590, 9388255, 13143557, 18776510, 26287114, 65717785, 131435570]

約数ペア:

[(1, 131435570), (2, 65717785), (5, 26287114), (7, 18776510), (10, 13143557), (14, 9388255), (23, 5714590), (35, 3755302), (46, 2857295), (70, 1877651), (115, 1142918), (161, 816370), (230, 571459), (322, 408185), (805, 163274), (1610, 81637)]