217193375

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 313372800

約数和(自身を除く): 96179425

約数列:

[1, 5, 7, 25, 35, 89, 125, 175, 445, 623, 875, 2225, 2789, 3115, 11125, 13945, 15575, 19523, 69725, 77875, 97615, 248221, 348625, 488075, 1241105, 1737547, 2440375, 6205525, 8687735, 31027625, 43438675, 217193375]

約数ペア:

[(1, 217193375), (5, 43438675), (7, 31027625), (25, 8687735), (35, 6205525), (89, 2440375), (125, 1737547), (175, 1241105), (445, 488075), (623, 348625), (875, 248221), (2225, 97615), (2789, 77875), (3115, 69725), (11125, 19523), (13945, 15575)]