212457284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 411844608

約数和(自身を除く): 199387324

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 127, 212, 254, 508, 607, 689, 1214, 1378, 1651, 2428, 2756, 3302, 6604, 6731, 7891, 13462, 15782, 26924, 31564, 32171, 64342, 77089, 87503, 128684, 154178, 175006, 308356, 350012, 418223, 836446, 1002157, 1672892, 2004314, 4008628, 4085717, 8171434, 16342868, 53114321, 106228642, 212457284]

約数ペア:

[(1, 212457284), (2, 106228642), (4, 53114321), (13, 16342868), (26, 8171434), (52, 4085717), (53, 4008628), (106, 2004314), (127, 1672892), (212, 1002157), (254, 836446), (508, 418223), (607, 350012), (689, 308356), (1214, 175006), (1378, 154178), (1651, 128684), (2428, 87503), (2756, 77089), (3302, 64342), (6604, 32171), (6731, 31564), (7891, 26924), (13462, 15782)]