201838985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 262241280

約数和(自身を除く): 60402295

約数列:

[1, 5, 29, 31, 83, 145, 155, 415, 541, 899, 2407, 2573, 2705, 4495, 12035, 12865, 15689, 16771, 44903, 74617, 78445, 83855, 224515, 373085, 486359, 1302187, 1391993, 2431795, 6510935, 6959965, 40367797, 201838985]

約数ペア:

[(1, 201838985), (5, 40367797), (29, 6959965), (31, 6510935), (83, 2431795), (145, 1391993), (155, 1302187), (415, 486359), (541, 373085), (899, 224515), (2407, 83855), (2573, 78445), (2705, 74617), (4495, 44903), (12035, 16771), (12865, 15689)]