81128068

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{49109}}^1$

素因数の和:49179

約数の個数: 24

約数和(自身を含む): 165009600

約数和(自身を除く): 83881532

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 49109, 98218, 196436, 343763, 687526, 1375052, 2897431, 5794862, 11589724, 20282017, 40564034, 81128068]

約数ペア:

[(1, 81128068), (2, 40564034), (4, 20282017), (7, 11589724), (14, 5794862), (28, 2897431), (59, 1375052), (118, 687526), (236, 343763), (413, 196436), (826, 98218), (1652, 49109)]