206899511

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{857}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 260179920

約数和(自身を除く): 53280409

約数列:

[1, 7, 13, 49, 91, 379, 637, 857, 2653, 4927, 5999, 11141, 18571, 34489, 41993, 77987, 241423, 324803, 545909, 2273621, 4222439, 15915347, 29557073, 206899511]

約数ペア:

[(1, 206899511), (7, 29557073), (13, 15915347), (49, 4222439), (91, 2273621), (379, 545909), (637, 324803), (857, 241423), (2653, 77987), (4927, 41993), (5999, 34489), (11141, 18571)]