256820412

素因数分解:

$2^2\times 3^1\times {\mathrm{21401701}}^1$

素因数の和:21401708

約数の個数: 12

約数和(自身を含む): 599247656

約数和(自身を除く): 342427244

約数列:

[1, 2, 3, 4, 6, 12, 21401701, 42803402, 64205103, 85606804, 128410206, 256820412]

約数ペア:

[(1, 256820412), (2, 128410206), (3, 85606804), (4, 64205103), (6, 42803402), (12, 21401701)]