131087255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 181367424

約数和(自身を除く): 50280169

約数列:

[1, 5, 13, 17, 65, 85, 97, 221, 485, 1105, 1223, 1261, 1649, 6115, 6305, 8245, 15899, 20791, 21437, 79495, 103955, 107185, 118631, 270283, 593155, 1351415, 1542203, 2016727, 7711015, 10083635, 26217451, 131087255]

約数ペア:

[(1, 131087255), (5, 26217451), (13, 10083635), (17, 7711015), (65, 2016727), (85, 1542203), (97, 1351415), (221, 593155), (485, 270283), (1105, 118631), (1223, 107185), (1261, 103955), (1649, 79495), (6115, 21437), (6305, 20791), (8245, 15899)]