1219929991

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1\times {\mathrm{4523}}^1$

素因数の和:5310

約数の個数: 16

約数和(自身を含む): 1422779904

約数和(自身を除く): 202849913

約数列:

[1, 7, 53, 371, 727, 4523, 5089, 31661, 38531, 239719, 269717, 1678033, 3288221, 23017547, 174275713, 1219929991]

約数ペア:

[(1, 1219929991), (7, 174275713), (53, 23017547), (371, 3288221), (727, 1678033), (4523, 269717), (5089, 239719), (31661, 38531)]