81994946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{18919}}^1$

素因数の和:19129

約数の個数: 16

約数和(自身を含む): 134861760

約数和(自身を除く): 52866814

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 18919, 37838, 208109, 416218, 3727043, 7454086, 40997473, 81994946]

約数ペア:

[(1, 81994946), (2, 40997473), (11, 7454086), (22, 3727043), (197, 416218), (394, 208109), (2167, 37838), (4334, 18919)]