261953770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{5807}}^1$

素因数の和:6174

約数の個数: 32

約数和(自身を含む): 509338368

約数和(自身を除く): 247384598

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 347, 694, 1735, 3470, 4511, 5807, 9022, 11614, 22555, 29035, 45110, 58070, 75491, 150982, 377455, 754910, 2015029, 4030058, 10075145, 20150290, 26195377, 52390754, 130976885, 261953770]

約数ペア:

[(1, 261953770), (2, 130976885), (5, 52390754), (10, 26195377), (13, 20150290), (26, 10075145), (65, 4030058), (130, 2015029), (347, 754910), (694, 377455), (1735, 150982), (3470, 75491), (4511, 58070), (5807, 45110), (9022, 29035), (11614, 22555)]