16899952321

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1\times {\mathrm{907}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 20010518528

約数和(自身を除く): 3110566207

約数列:

[1, 7, 43, 103, 301, 601, 721, 907, 4207, 4429, 6349, 25843, 31003, 39001, 61903, 93421, 180901, 273007, 433321, 545107, 653947, 2661829, 3815749, 4017103, 18632803, 23439601, 28119721, 56146021, 164077207, 393022147, 2414278903, 16899952321]

約数ペア:

[(1, 16899952321), (7, 2414278903), (43, 393022147), (103, 164077207), (301, 56146021), (601, 28119721), (721, 23439601), (907, 18632803), (4207, 4017103), (4429, 3815749), (6349, 2661829), (25843, 653947), (31003, 545107), (39001, 433321), (61903, 273007), (93421, 180901)]