1989673

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 2405376

約数和(自身を除く): 415703

約数列:

[1, 7, 31, 53, 173, 217, 371, 1211, 1643, 5363, 9169, 11501, 37541, 64183, 284239, 1989673]

約数ペア:

[(1, 1989673), (7, 284239), (31, 64183), (53, 37541), (173, 11501), (217, 9169), (371, 5363), (1211, 1643)]