81005890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1157227}}^1$

素因数の和:1157241

約数の個数: 16

約数和(自身を含む): 166640832

約数和(自身を除く): 85634942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1157227, 2314454, 5786135, 8100589, 11572270, 16201178, 40502945, 81005890]

約数ペア:

[(1, 81005890), (2, 40502945), (5, 16201178), (7, 11572270), (10, 8100589), (14, 5786135), (35, 2314454), (70, 1157227)]