989841601

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{9811}}^1$

素因数の和:9925

約数の個数: 24

約数和(自身を含む): 1208053440

約数和(自身を除く): 218211839

約数列:

[1, 7, 29, 49, 71, 203, 497, 1421, 2059, 3479, 9811, 14413, 68677, 100891, 284519, 480739, 696581, 1991633, 4876067, 13941431, 20200849, 34132469, 141405943, 989841601]

約数ペア:

[(1, 989841601), (7, 141405943), (29, 34132469), (49, 20200849), (71, 13941431), (203, 4876067), (497, 1991633), (1421, 696581), (2059, 480739), (3479, 284519), (9811, 100891), (14413, 68677)]