289162885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{937}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 393329664

約数和(自身を除く): 104166779

約数列:

[1, 5, 11, 31, 55, 155, 181, 341, 905, 937, 1705, 1991, 4685, 5611, 9955, 10307, 28055, 29047, 51535, 61721, 145235, 169597, 308605, 319517, 847985, 1597585, 1865567, 5257507, 9327835, 26287535, 57832577, 289162885]

約数ペア:

[(1, 289162885), (5, 57832577), (11, 26287535), (31, 9327835), (55, 5257507), (155, 1865567), (181, 1597585), (341, 847985), (905, 319517), (937, 308605), (1705, 169597), (1991, 145235), (4685, 61721), (5611, 51535), (9955, 29047), (10307, 28055)]