156707785

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{10909}}^1$

素因数の和:10957

約数の個数: 24

約数和(自身を含む): 215625240

約数和(自身を除く): 58917455

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 10909, 14365, 54545, 141817, 185453, 709085, 927265, 1843621, 2410889, 9218105, 12054445, 31341557, 156707785]

約数ペア:

[(1, 156707785), (5, 31341557), (13, 12054445), (17, 9218105), (65, 2410889), (85, 1843621), (169, 927265), (221, 709085), (845, 185453), (1105, 141817), (2873, 54545), (10909, 14365)]