28878395

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9067}}^1$

素因数の和:9099

約数の個数: 24

約数和(自身を含む): 43417584

約数和(自身を除く): 14539189

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 9067, 45335, 63469, 117871, 317345, 444283, 589355, 825097, 2221415, 4125485, 5775679, 28878395]

約数ペア:

[(1, 28878395), (5, 5775679), (7, 4125485), (13, 2221415), (35, 825097), (49, 589355), (65, 444283), (91, 317345), (245, 117871), (455, 63469), (637, 45335), (3185, 9067)]