28367290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405247}}^1$

素因数の和:405261

約数の個数: 16

約数和(自身を含む): 58355712

約数和(自身を除く): 29988422

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405247, 810494, 2026235, 2836729, 4052470, 5673458, 14183645, 28367290]

約数ペア:

[(1, 28367290), (2, 14183645), (5, 5673458), (7, 4052470), (10, 2836729), (14, 2026235), (35, 810494), (70, 405247)]