87980690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1256867}}^1$

素因数の和:1256881

約数の個数: 16

約数和(自身を含む): 180988992

約数和(自身を除く): 93008302

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1256867, 2513734, 6284335, 8798069, 12568670, 17596138, 43990345, 87980690]

約数ペア:

[(1, 87980690), (2, 43990345), (5, 17596138), (7, 12568670), (10, 8798069), (14, 6284335), (35, 2513734), (70, 1256867)]