388182489

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{20477}}^1$

素因数の和:20640

約数の個数: 16

約数和(自身を含む): 530789760

約数和(自身を除く): 142607271

約数列:

[1, 3, 71, 89, 213, 267, 6319, 18957, 20477, 61431, 1453867, 1822453, 4361601, 5467359, 129394163, 388182489]

約数ペア:

[(1, 388182489), (3, 129394163), (71, 5467359), (89, 4361601), (213, 1822453), (267, 1453867), (6319, 61431), (18957, 20477)]