12558156628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{257783}}^1$

素因数の和:258447

約数の個数: 24

約数和(自身を含む): 23169625920

約数和(自身を除く): 10611469292

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 2564, 12179, 24358, 48716, 257783, 515566, 1031132, 4897877, 9795754, 19591508, 165238903, 330477806, 660955612, 3139539157, 6279078314, 12558156628]

約数ペア:

[(1, 12558156628), (2, 6279078314), (4, 3139539157), (19, 660955612), (38, 330477806), (76, 165238903), (641, 19591508), (1282, 9795754), (2564, 4897877), (12179, 1031132), (24358, 515566), (48716, 257783)]