64860185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 89994240

約数和(自身を除く): 25134055

約数列:

[1, 5, 13, 17, 65, 79, 85, 221, 395, 743, 1027, 1105, 1343, 3715, 5135, 6715, 9659, 12631, 17459, 48295, 58697, 63155, 87295, 164203, 293485, 763061, 821015, 997849, 3815305, 4989245, 12972037, 64860185]

約数ペア:

[(1, 64860185), (5, 12972037), (13, 4989245), (17, 3815305), (65, 997849), (79, 821015), (85, 763061), (221, 293485), (395, 164203), (743, 87295), (1027, 63155), (1105, 58697), (1343, 48295), (3715, 17459), (5135, 12631), (6715, 9659)]