212769179

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{4001}}^1$

素因数の和:4186

約数の個数: 16

約数和(自身を含む): 248956416

約数和(自身を除く): 36187237

約数列:

[1, 7, 71, 107, 497, 749, 4001, 7597, 28007, 53179, 284071, 428107, 1988497, 2996749, 30395597, 212769179]

約数ペア:

[(1, 212769179), (7, 30395597), (71, 2996749), (107, 1988497), (497, 428107), (749, 284071), (4001, 53179), (7597, 28007)]