2581678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 4250880

約数和(自身を除く): 1669202

約数列:

[1, 2, 11, 22, 239, 478, 491, 982, 2629, 5258, 5401, 10802, 117349, 234698, 1290839, 2581678]

約数ペア:

[(1, 2581678), (2, 1290839), (11, 234698), (22, 117349), (239, 10802), (478, 5401), (491, 5258), (982, 2629)]