81997216

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8513}}^1$

素因数の和:8573

約数の個数: 48

約数和(自身を含む): 188806464

約数和(自身を除く): 106809248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 8513, 9632, 17026, 34052, 59591, 68104, 119182, 136208, 238364, 272416, 366059, 476728, 732118, 953456, 1464236, 1906912, 2562413, 2928472, 5124826, 5856944, 10249652, 11713888, 20499304, 40998608, 81997216]

約数ペア:

[(1, 81997216), (2, 40998608), (4, 20499304), (7, 11713888), (8, 10249652), (14, 5856944), (16, 5124826), (28, 2928472), (32, 2562413), (43, 1906912), (56, 1464236), (86, 953456), (112, 732118), (172, 476728), (224, 366059), (301, 272416), (344, 238364), (602, 136208), (688, 119182), (1204, 68104), (1376, 59591), (2408, 34052), (4816, 17026), (8513, 9632)]