256616144

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{107641}}^1$

素因数の和:107798

約数の個数: 20

約数和(自身を含む): 500535300

約数和(自身を除く): 243919156

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 107641, 215282, 430564, 861128, 1722256, 16038509, 32077018, 64154036, 128308072, 256616144]

約数ペア:

[(1, 256616144), (2, 128308072), (4, 64154036), (8, 32077018), (16, 16038509), (149, 1722256), (298, 861128), (596, 430564), (1192, 215282), (2384, 107641)]