247980790

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{60631}}^1$

素因数の和:61047

約数の個数: 16

約数和(自身を含む): 447464160

約数和(自身を除く): 199483370

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 60631, 121262, 303155, 606310, 24798079, 49596158, 123990395, 247980790]

約数ペア:

[(1, 247980790), (2, 123990395), (5, 49596158), (10, 24798079), (409, 606310), (818, 303155), (2045, 121262), (4090, 60631)]