81420614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{69829}}^1$

素因数の和:69895

約数の個数: 16

約数和(自身を含む): 135749520

約数和(自身を除く): 54328906

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 69829, 139658, 768119, 1536238, 3700937, 7401874, 40710307, 81420614]

約数ペア:

[(1, 81420614), (2, 40710307), (11, 7401874), (22, 3700937), (53, 1536238), (106, 768119), (583, 139658), (1166, 69829)]