2631139

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 3220480

約数和(自身を除く): 589341

約数列:

[1, 7, 19, 73, 133, 271, 511, 1387, 1897, 5149, 9709, 19783, 36043, 138481, 375877, 2631139]

約数ペア:

[(1, 2631139), (7, 375877), (19, 138481), (73, 36043), (133, 19783), (271, 9709), (511, 5149), (1387, 1897)]