2831437

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 3472000

約数和(自身を除く): 640563

約数列:

[1, 7, 19, 61, 133, 349, 427, 1159, 2443, 6631, 8113, 21289, 46417, 149023, 404491, 2831437]

約数ペア:

[(1, 2831437), (7, 404491), (19, 149023), (61, 46417), (133, 21289), (349, 8113), (427, 6631), (1159, 2443)]