15397772075

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{31891}}^1$

素因数の和:32028

約数の個数: 48

約数和(自身を含む): 22778542080

約数和(自身を除く): 7380770005

約数列:

[1, 5, 7, 25, 31, 35, 89, 155, 175, 217, 445, 623, 775, 1085, 2225, 2759, 3115, 5425, 13795, 15575, 19313, 31891, 68975, 96565, 159455, 223237, 482825, 797275, 988621, 1116185, 2838299, 4943105, 5580925, 6920347, 14191495, 19868093, 24715525, 34601735, 70957475, 87987269, 99340465, 173008675, 439936345, 496702325, 615910883, 2199681725, 3079554415, 15397772075]

約数ペア:

[(1, 15397772075), (5, 3079554415), (7, 2199681725), (25, 615910883), (31, 496702325), (35, 439936345), (89, 173008675), (155, 99340465), (175, 87987269), (217, 70957475), (445, 34601735), (623, 24715525), (775, 19868093), (1085, 14191495), (2225, 6920347), (2759, 5580925), (3115, 4943105), (5425, 2838299), (13795, 1116185), (15575, 988621), (19313, 797275), (31891, 482825), (68975, 223237), (96565, 159455)]