201572975

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1009}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 256241040

約数和(自身を除く): 54668065

約数列:

[1, 5, 25, 61, 131, 305, 655, 1009, 1525, 3275, 5045, 7991, 25225, 39955, 61549, 132179, 199775, 307745, 660895, 1538725, 3304475, 8062919, 40314595, 201572975]

約数ペア:

[(1, 201572975), (5, 40314595), (25, 8062919), (61, 3304475), (131, 1538725), (305, 660895), (655, 307745), (1009, 199775), (1525, 132179), (3275, 61549), (5045, 39955), (7991, 25225)]