81371716

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{1499}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 146412000

約数和(自身を除く): 65040284

約数列:

[1, 2, 4, 41, 82, 164, 331, 662, 1324, 1499, 2998, 5996, 13571, 27142, 54284, 61459, 122918, 245836, 496169, 992338, 1984676, 20342929, 40685858, 81371716]

約数ペア:

[(1, 81371716), (2, 40685858), (4, 20342929), (41, 1984676), (82, 992338), (164, 496169), (331, 245836), (662, 122918), (1324, 61459), (1499, 54284), (2998, 27142), (5996, 13571)]