3991358

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2081}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 6895584

約数和(自身を除く): 2904226

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 2081, 4162, 14567, 29134, 285097, 570194, 1995679, 3991358]

約数ペア:

[(1, 3991358), (2, 1995679), (7, 570194), (14, 285097), (137, 29134), (274, 14567), (959, 4162), (1918, 2081)]