254875019

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 305846496

約数和(自身を除く): 50971477

約数列:

[1, 7, 49, 61, 71, 427, 497, 1201, 2989, 3479, 4331, 8407, 30317, 58849, 73261, 85271, 212219, 512827, 596897, 3589789, 4178279, 5201531, 36410717, 254875019]

約数ペア:

[(1, 254875019), (7, 36410717), (49, 5201531), (61, 4178279), (71, 3589789), (427, 596897), (497, 512827), (1201, 212219), (2989, 85271), (3479, 73261), (4331, 58849), (8407, 30317)]