209933878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1363207}}^1$

素因数の和:1363227

約数の個数: 16

約数和(自身を含む): 392603904

約数和(自身を除く): 182670026

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1363207, 2726414, 9542449, 14995277, 19084898, 29990554, 104966939, 209933878]

約数ペア:

[(1, 209933878), (2, 104966939), (7, 29990554), (11, 19084898), (14, 14995277), (22, 9542449), (77, 2726414), (154, 1363207)]