401645438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1\times {\mathrm{2837}}^1$

素因数の和:3907

約数の個数: 16

約数和(自身を含む): 611781984

約数和(自身を除く): 210136546

約数列:

[1, 2, 71, 142, 997, 1994, 2837, 5674, 70787, 141574, 201427, 402854, 2828489, 5656978, 200822719, 401645438]

約数ペア:

[(1, 401645438), (2, 200822719), (71, 5656978), (142, 2828489), (997, 402854), (1994, 201427), (2837, 141574), (5674, 70787)]