1620038

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 2883744

約数和(自身を除く): 1263706

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 271, 427, 542, 854, 1897, 2989, 3794, 5978, 13279, 16531, 26558, 33062, 115717, 231434, 810019, 1620038]

約数ペア:

[(1, 1620038), (2, 810019), (7, 231434), (14, 115717), (49, 33062), (61, 26558), (98, 16531), (122, 13279), (271, 5978), (427, 3794), (542, 2989), (854, 1897)]