256409332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{22643}}^1$

素因数の和:22815

約数の個数: 24

約数和(自身を含む): 475524000

約数和(自身を除く): 219114668

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 2831, 5662, 11324, 22643, 45286, 90572, 430217, 860434, 1720868, 3373807, 6747614, 13495228, 64102333, 128204666, 256409332]

約数ペア:

[(1, 256409332), (2, 128204666), (4, 64102333), (19, 13495228), (38, 6747614), (76, 3373807), (149, 1720868), (298, 860434), (596, 430217), (2831, 90572), (5662, 45286), (11324, 22643)]