238889768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53419}}^1$

素因数の和:53481

約数の個数: 32

約数和(自身を含む): 493600800

約数和(自身を除く): 254711032

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 53419, 106838, 213676, 427352, 694447, 1388894, 2297017, 2777788, 4594034, 5555576, 9188068, 18376136, 29861221, 59722442, 119444884, 238889768]

約数ペア:

[(1, 238889768), (2, 119444884), (4, 59722442), (8, 29861221), (13, 18376136), (26, 9188068), (43, 5555576), (52, 4594034), (86, 2777788), (104, 2297017), (172, 1388894), (344, 694447), (559, 427352), (1118, 213676), (2236, 106838), (4472, 53419)]