389622412

素因数分解:

$2^2\times {\mathrm{6991}}^1\times {\mathrm{13933}}^1$

素因数の和:20928

約数の個数: 12

約数和(自身を含む): 681985696

約数和(自身を除く): 292363284

約数列:

[1, 2, 4, 6991, 13933, 13982, 27866, 27964, 55732, 97405603, 194811206, 389622412]

約数ペア:

[(1, 389622412), (2, 194811206), (4, 97405603), (6991, 55732), (13933, 27964), (13982, 27866)]