28481810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{406883}}^1$

素因数の和:406897

約数の個数: 16

約数和(自身を含む): 58591296

約数和(自身を除く): 30109486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 406883, 813766, 2034415, 2848181, 4068830, 5696362, 14240905, 28481810]

約数ペア:

[(1, 28481810), (2, 14240905), (5, 5696362), (7, 4068830), (10, 2848181), (14, 2034415), (35, 813766), (70, 406883)]