16721369

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 19869696

約数和(自身を除く): 3148327

約数列:

[1, 7, 31, 217, 251, 307, 1757, 2149, 7781, 9517, 54467, 66619, 77057, 539399, 2388767, 16721369]

約数ペア:

[(1, 16721369), (7, 2388767), (31, 539399), (217, 77057), (251, 66619), (307, 54467), (1757, 9517), (2149, 7781)]