12816895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 20055168

約数和(自身を除く): 7238273

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 1657, 7735, 8285, 11599, 21541, 28169, 57995, 107705, 140845, 150787, 197183, 366197, 753935, 985915, 1830985, 2563379, 12816895]

約数ペア:

[(1, 12816895), (5, 2563379), (7, 1830985), (13, 985915), (17, 753935), (35, 366197), (65, 197183), (85, 150787), (91, 140845), (119, 107705), (221, 57995), (455, 28169), (595, 21541), (1105, 11599), (1547, 8285), (1657, 7735)]