389984294

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{312989}}^1$

素因数の和:313087

約数の個数: 16

約数和(自身を含む): 676058400

約数和(自身を除く): 286074106

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 312989, 625978, 2190923, 4381846, 27856021, 55712042, 194992147, 389984294]

約数ペア:

[(1, 389984294), (2, 194992147), (7, 55712042), (14, 27856021), (89, 4381846), (178, 2190923), (623, 625978), (1246, 312989)]