2003215543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1\times {\mathrm{5479}}^1$

素因数の和:8254

約数の個数: 16

約数和(自身を含む): 2411200000

約数和(自身を除く): 407984457

約数列:

[1, 7, 19, 133, 2749, 5479, 19243, 38353, 52231, 104101, 365617, 728707, 15061771, 105432397, 286173649, 2003215543]

約数ペア:

[(1, 2003215543), (7, 286173649), (19, 105432397), (133, 15061771), (2749, 728707), (5479, 365617), (19243, 104101), (38353, 52231)]