87219937

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{4177}}^1$

素因数の和:4360

約数の個数: 16

約数和(自身を含む): 105619840

約数和(自身を除く): 18399903

約数列:

[1, 7, 19, 133, 157, 1099, 2983, 4177, 20881, 29239, 79363, 555541, 655789, 4590523, 12459991, 87219937]

約数ペア:

[(1, 87219937), (7, 12459991), (19, 4590523), (133, 655789), (157, 555541), (1099, 79363), (2983, 29239), (4177, 20881)]