219934854

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{172093}}^1$

素因数の和:172172

約数の個数: 24

約数和(自身を含む): 483239952

約数和(自身を除く): 263305098

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 172093, 344186, 516279, 1032558, 1548837, 3097674, 12218603, 24437206, 36655809, 73311618, 109967427, 219934854]

約数ペア:

[(1, 219934854), (2, 109967427), (3, 73311618), (6, 36655809), (9, 24437206), (18, 12218603), (71, 3097674), (142, 1548837), (213, 1032558), (426, 516279), (639, 344186), (1278, 172093)]