9640225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 14110208

約数和(自身を除く): 4469983

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 1777, 5425, 8885, 12439, 44425, 55087, 62195, 275435, 310975, 385609, 1377175, 1928045, 9640225]

約数ペア:

[(1, 9640225), (5, 1928045), (7, 1377175), (25, 385609), (31, 310975), (35, 275435), (155, 62195), (175, 55087), (217, 44425), (775, 12439), (1085, 8885), (1777, 5425)]