81878042

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{9787}}^1$

素因数の和:9925

約数の個数: 16

約数和(自身を含む): 126852480

約数和(自身を除く): 44974438

約数列:

[1, 2, 47, 89, 94, 178, 4183, 8366, 9787, 19574, 459989, 871043, 919978, 1742086, 40939021, 81878042]

約数ペア:

[(1, 81878042), (2, 40939021), (47, 1742086), (89, 919978), (94, 871043), (178, 459989), (4183, 19574), (8366, 9787)]