201731990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{429217}}^1$

素因数の和:429271

約数の個数: 16

約数和(自身を含む): 370844352

約数和(自身を除く): 169112362

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 429217, 858434, 2146085, 4292170, 20173199, 40346398, 100865995, 201731990]

約数ペア:

[(1, 201731990), (2, 100865995), (5, 40346398), (10, 20173199), (47, 4292170), (94, 2146085), (235, 858434), (470, 429217)]