1340518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 16

約数和(自身を含む): 2157840

約数和(自身を除く): 817322

約数列:

[1, 2, 17, 34, 89, 178, 443, 886, 1513, 3026, 7531, 15062, 39427, 78854, 670259, 1340518]

約数ペア:

[(1, 1340518), (2, 670259), (17, 78854), (34, 39427), (89, 15062), (178, 7531), (443, 3026), (886, 1513)]