208207870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1601599}}^1$

素因数の和:1601619

約数の個数: 16

約数和(自身を含む): 403603200

約数和(自身を除く): 195395330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1601599, 3203198, 8007995, 16015990, 20820787, 41641574, 104103935, 208207870]

約数ペア:

[(1, 208207870), (2, 104103935), (5, 41641574), (10, 20820787), (13, 16015990), (26, 8007995), (65, 3203198), (130, 1601599)]