27981602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{2351}}^1$

素因数の和:2905

約数の個数: 16

約数和(自身を含む): 45892224

約数和(自身を除く): 17910622

約数列:

[1, 2, 11, 22, 541, 1082, 2351, 4702, 5951, 11902, 25861, 51722, 1271891, 2543782, 13990801, 27981602]

約数ペア:

[(1, 27981602), (2, 13990801), (11, 2543782), (22, 1271891), (541, 51722), (1082, 25861), (2351, 11902), (4702, 5951)]