81291616

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6151}}^1$

素因数の和:6227

約数の個数: 48

約数和(自身を含む): 186036480

約数和(自身を除く): 104744864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1652, 1888, 3304, 6151, 6608, 12302, 13216, 24604, 43057, 49208, 86114, 98416, 172228, 196832, 344456, 362909, 688912, 725818, 1377824, 1451636, 2540363, 2903272, 5080726, 5806544, 10161452, 11613088, 20322904, 40645808, 81291616]

約数ペア:

[(1, 81291616), (2, 40645808), (4, 20322904), (7, 11613088), (8, 10161452), (14, 5806544), (16, 5080726), (28, 2903272), (32, 2540363), (56, 1451636), (59, 1377824), (112, 725818), (118, 688912), (224, 362909), (236, 344456), (413, 196832), (472, 172228), (826, 98416), (944, 86114), (1652, 49208), (1888, 43057), (3304, 24604), (6151, 13216), (6608, 12302)]