1988372519

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{2803}}^1$

素因数の和:3315

約数の個数: 24

約数和(自身を含む): 2393584128

約数和(自身を除く): 405211609

約数列:

[1, 7, 31, 49, 217, 467, 1519, 2803, 3269, 14477, 19621, 22883, 86893, 101339, 137347, 608251, 709373, 1309001, 4257757, 9163007, 40579031, 64141049, 284053217, 1988372519]

約数ペア:

[(1, 1988372519), (7, 284053217), (31, 64141049), (49, 40579031), (217, 9163007), (467, 4257757), (1519, 1309001), (2803, 709373), (3269, 608251), (14477, 137347), (19621, 101339), (22883, 86893)]