38889895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 53996544

約数和(自身を除く): 15106649

約数列:

[1, 5, 11, 23, 55, 71, 115, 253, 355, 433, 781, 1265, 1633, 2165, 3905, 4763, 8165, 9959, 17963, 23815, 30743, 49795, 89815, 109549, 153715, 338173, 547745, 707089, 1690865, 3535445, 7777979, 38889895]

約数ペア:

[(1, 38889895), (5, 7777979), (11, 3535445), (23, 1690865), (55, 707089), (71, 547745), (115, 338173), (253, 153715), (355, 109549), (433, 89815), (781, 49795), (1265, 30743), (1633, 23815), (2165, 17963), (3905, 9959), (4763, 8165)]