68690881

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 79672320

約数和(自身を除く): 10981439

約数列:

[1, 7, 139, 227, 311, 973, 1589, 2177, 31553, 43229, 70597, 220871, 302603, 494179, 9812983, 68690881]

約数ペア:

[(1, 68690881), (7, 9812983), (139, 494179), (227, 302603), (311, 220871), (973, 70597), (1589, 43229), (2177, 31553)]