257534212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{12109}}^1$

素因数の和:12535

約数の個数: 24

約数和(自身を含む): 486579800

約数和(自身を除く): 229045588

約数列:

[1, 2, 4, 13, 26, 52, 409, 818, 1636, 5317, 10634, 12109, 21268, 24218, 48436, 157417, 314834, 629668, 4952581, 9905162, 19810324, 64383553, 128767106, 257534212]

約数ペア:

[(1, 257534212), (2, 128767106), (4, 64383553), (13, 19810324), (26, 9905162), (52, 4952581), (409, 629668), (818, 314834), (1636, 157417), (5317, 48436), (10634, 24218), (12109, 21268)]