81146072

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5347}}^1$

素因数の和:5631

約数の個数: 32

約数和(自身を含む): 174558720

約数和(自身を除く): 93412648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1897, 2168, 3794, 5347, 7588, 10694, 15176, 21388, 37429, 42776, 74858, 149716, 299432, 1449037, 2898074, 5796148, 10143259, 11592296, 20286518, 40573036, 81146072]

約数ペア:

[(1, 81146072), (2, 40573036), (4, 20286518), (7, 11592296), (8, 10143259), (14, 5796148), (28, 2898074), (56, 1449037), (271, 299432), (542, 149716), (1084, 74858), (1897, 42776), (2168, 37429), (3794, 21388), (5347, 15176), (7588, 10694)]