389655668

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1372027}}^1$

素因数の和:1372102

約数の個数: 12

約数和(自身を含む): 691502112

約数和(自身を除く): 301846444

約数列:

[1, 2, 4, 71, 142, 284, 1372027, 2744054, 5488108, 97413917, 194827834, 389655668]

約数ペア:

[(1, 389655668), (2, 194827834), (4, 97413917), (71, 5488108), (142, 2744054), (284, 1372027)]