138208357

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{23201}}^1$

素因数の和:23268

約数の個数: 16

約数和(自身を含む): 169281792

約数和(自身を除く): 31073435

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 23201, 162407, 533623, 858437, 3735361, 6009059, 19744051, 138208357]

約数ペア:

[(1, 138208357), (7, 19744051), (23, 6009059), (37, 3735361), (161, 858437), (259, 533623), (851, 162407), (5957, 23201)]