81163894

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{5081}}^1$

素因数の和:5260

約数の個数: 24

約数和(自身を含む): 142519608

約数和(自身を除く): 61355714

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 2282, 5081, 7987, 10162, 15974, 35567, 71134, 248969, 497938, 828203, 1656406, 5797421, 11594842, 40581947, 81163894]

約数ペア:

[(1, 81163894), (2, 40581947), (7, 11594842), (14, 5797421), (49, 1656406), (98, 828203), (163, 497938), (326, 248969), (1141, 71134), (2282, 35567), (5081, 15974), (7987, 10162)]