131457235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6719}}^1$

素因数の和:6787

約数の個数: 32

約数和(自身を含む): 198696960

約数和(自身を除く): 67239725

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 6719, 19565, 33595, 47033, 87347, 235165, 288917, 436735, 611429, 1444585, 2022419, 3057145, 3755921, 10112095, 18779605, 26291447, 131457235]

約数ペア:

[(1, 131457235), (5, 26291447), (7, 18779605), (13, 10112095), (35, 3755921), (43, 3057145), (65, 2022419), (91, 1444585), (215, 611429), (301, 436735), (455, 288917), (559, 235165), (1505, 87347), (2795, 47033), (3913, 33595), (6719, 19565)]