138975991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{3617}}^1$

素因数の和:4134

約数の個数: 16

約数和(自身を含む): 173664000

約数和(自身を除く): 34688009

約数列:

[1, 7, 11, 77, 499, 3493, 3617, 5489, 25319, 38423, 39787, 278509, 1804883, 12634181, 19853713, 138975991]

約数ペア:

[(1, 138975991), (7, 19853713), (11, 12634181), (77, 1804883), (499, 278509), (3493, 39787), (3617, 38423), (5489, 25319)]