85487290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1221247}}^1$

素因数の和:1221261

約数の個数: 16

約数和(自身を含む): 175859712

約数和(自身を除く): 90372422

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1221247, 2442494, 6106235, 8548729, 12212470, 17097458, 42743645, 85487290]

約数ペア:

[(1, 85487290), (2, 42743645), (5, 17097458), (7, 12212470), (10, 8548729), (14, 6106235), (35, 2442494), (70, 1221247)]