256823268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1646303}}^1$

素因数の和:1646323

約数の個数: 24

約数和(自身を含む): 645351168

約数和(自身を除く): 388527900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1646303, 3292606, 4938909, 6585212, 9877818, 19755636, 21401939, 42803878, 64205817, 85607756, 128411634, 256823268]

約数ペア:

[(1, 256823268), (2, 128411634), (3, 85607756), (4, 64205817), (6, 42803878), (12, 21401939), (13, 19755636), (26, 9877818), (39, 6585212), (52, 4938909), (78, 3292606), (156, 1646303)]