25438240016

素因数分解:

$2^4\times 7^1\times {\mathrm{227127143}}^1$

素因数の和:227127158

約数の個数: 20

約数和(自身を含む): 56327531712

約数和(自身を除く): 30889291696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227127143, 454254286, 908508572, 1589890001, 1817017144, 3179780002, 3634034288, 6359560004, 12719120008, 25438240016]

約数ペア:

[(1, 25438240016), (2, 12719120008), (4, 6359560004), (7, 3634034288), (8, 3179780002), (14, 1817017144), (16, 1589890001), (28, 908508572), (56, 454254286), (112, 227127143)]