208786085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{16229}}^1$

素因数の和:16348

約数の個数: 16

約数和(自身を含む): 261757440

約数和(自身を除く): 52971355

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12865, 16229, 81145, 503099, 1347007, 2515495, 6735035, 41757217, 208786085]

約数ペア:

[(1, 208786085), (5, 41757217), (31, 6735035), (83, 2515495), (155, 1347007), (415, 503099), (2573, 81145), (12865, 16229)]