71728345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 96671232

約数和(自身を除く): 24942887

約数列:

[1, 5, 13, 47, 53, 65, 235, 265, 443, 611, 689, 2215, 2491, 3055, 3445, 5759, 12455, 20821, 23479, 28795, 32383, 104105, 117395, 161915, 270673, 305227, 1103513, 1353365, 1526135, 5517565, 14345669, 71728345]

約数ペア:

[(1, 71728345), (5, 14345669), (13, 5517565), (47, 1526135), (53, 1353365), (65, 1103513), (235, 305227), (265, 270673), (443, 161915), (611, 117395), (689, 104105), (2215, 32383), (2491, 28795), (3055, 23479), (3445, 20821), (5759, 12455)]