16639777

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7020

約数の個数: 16

約数和(自身を含む): 21417984

約数和(自身を除く): 4778207

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 6971, 48797, 76681, 216101, 536767, 1512707, 2377111, 16639777]

約数ペア:

[(1, 16639777), (7, 2377111), (11, 1512707), (31, 536767), (77, 216101), (217, 76681), (341, 48797), (2387, 6971)]