51504271

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 67858560

約数和(自身を除く): 16354289

約数列:

[1, 7, 13, 17, 91, 119, 169, 197, 221, 1183, 1379, 1547, 2197, 2561, 2873, 3349, 15379, 17927, 20111, 23443, 33293, 37349, 43537, 233051, 261443, 304759, 432809, 565981, 3029663, 3961867, 7357753, 51504271]

約数ペア:

[(1, 51504271), (7, 7357753), (13, 3961867), (17, 3029663), (91, 565981), (119, 432809), (169, 304759), (197, 261443), (221, 233051), (1183, 43537), (1379, 37349), (1547, 33293), (2197, 23443), (2561, 20111), (2873, 17927), (3349, 15379)]