138020876

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{69427}}^1$

素因数の和:69509

約数の個数: 24

約数和(自身を含む): 279933696

約数和(自身を除く): 141912820

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 69427, 138854, 277708, 485989, 971978, 1943956, 4929317, 9858634, 19717268, 34505219, 69010438, 138020876]

約数ペア:

[(1, 138020876), (2, 69010438), (4, 34505219), (7, 19717268), (14, 9858634), (28, 4929317), (71, 1943956), (142, 971978), (284, 485989), (497, 277708), (994, 138854), (1988, 69427)]