638826234

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{204359}}^1$

素因数の和:204885

約数の個数: 16

約数和(自身を含む): 1280111040

約数和(自身を除く): 641284806

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 204359, 408718, 613077, 1226154, 106471039, 212942078, 319413117, 638826234]

約数ペア:

[(1, 638826234), (2, 319413117), (3, 212942078), (6, 106471039), (521, 1226154), (1042, 613077), (1563, 408718), (3126, 204359)]