28066955

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 39576240

約数和(自身を除く): 11509285

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 763, 1051, 3815, 5255, 5341, 7357, 26705, 36785, 51499, 114559, 257495, 572795, 801913, 4009565, 5613391, 28066955]

約数ペア:

[(1, 28066955), (5, 5613391), (7, 4009565), (35, 801913), (49, 572795), (109, 257495), (245, 114559), (545, 51499), (763, 36785), (1051, 26705), (3815, 7357), (5255, 5341)]