51965641

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 32

約数和(自身を含む): 67020800

約数和(自身を除く): 15055159

約数列:

[1, 7, 13, 31, 91, 109, 169, 217, 403, 763, 1183, 1417, 2197, 2821, 3379, 5239, 9919, 15379, 18421, 23653, 36673, 43927, 68107, 128947, 239473, 307489, 476749, 571051, 1676311, 3997357, 7423663, 51965641]

約数ペア:

[(1, 51965641), (7, 7423663), (13, 3997357), (31, 1676311), (91, 571051), (109, 476749), (169, 307489), (217, 239473), (403, 128947), (763, 68107), (1183, 43927), (1417, 36673), (2197, 23653), (2821, 18421), (3379, 15379), (5239, 9919)]