28386124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 57280608

約数和(自身を除く): 28894484

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 163, 197, 221, 326, 394, 442, 652, 788, 884, 2119, 2561, 2771, 3349, 4238, 5122, 5542, 6698, 8476, 10244, 11084, 13396, 32111, 36023, 43537, 64222, 72046, 87074, 128444, 144092, 174148, 417443, 545887, 834886, 1091774, 1669772, 2183548, 7096531, 14193062, 28386124]

約数ペア:

[(1, 28386124), (2, 14193062), (4, 7096531), (13, 2183548), (17, 1669772), (26, 1091774), (34, 834886), (52, 545887), (68, 417443), (163, 174148), (197, 144092), (221, 128444), (326, 87074), (394, 72046), (442, 64222), (652, 43537), (788, 36023), (884, 32111), (2119, 13396), (2561, 11084), (2771, 10244), (3349, 8476), (4238, 6698), (5122, 5542)]