208836991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1951}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 234989568

約数和(自身を除く): 26152577

約数列:

[1, 11, 37, 263, 407, 1951, 2893, 9731, 21461, 72187, 107041, 513113, 794057, 5644243, 18985181, 208836991]

約数ペア:

[(1, 208836991), (11, 18985181), (37, 5644243), (263, 794057), (407, 513113), (1951, 107041), (2893, 72187), (9731, 21461)]