1278542975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 1709515584

約数和(自身を除く): 430972609

約数列:

[1, 5, 23, 25, 41, 115, 193, 205, 281, 575, 943, 965, 1025, 1405, 4439, 4715, 4825, 6463, 7025, 7913, 11521, 22195, 23575, 32315, 39565, 54233, 57605, 110975, 161575, 181999, 197825, 264983, 271165, 288025, 909995, 1247359, 1324915, 1355825, 2223553, 4549975, 6236795, 6624575, 11117765, 31183975, 51141719, 55588825, 255708595, 1278542975]

約数ペア:

[(1, 1278542975), (5, 255708595), (23, 55588825), (25, 51141719), (41, 31183975), (115, 11117765), (193, 6624575), (205, 6236795), (281, 4549975), (575, 2223553), (943, 1355825), (965, 1324915), (1025, 1247359), (1405, 909995), (4439, 288025), (4715, 271165), (4825, 264983), (6463, 197825), (7025, 181999), (7913, 161575), (11521, 110975), (22195, 57605), (23575, 54233), (32315, 39565)]