280121921

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{25031}}^1$

素因数の和:25100

約数の個数: 12

約数和(自身を含む): 305190144

約数和(自身を除く): 25068223

約数列:

[1, 19, 31, 361, 589, 11191, 25031, 475589, 775961, 9036191, 14743259, 280121921]

約数ペア:

[(1, 280121921), (19, 14743259), (31, 9036191), (361, 775961), (589, 475589), (11191, 25031)]