856375745

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{20219}}^1$

素因数の和:20464

約数の個数: 16

約数和(自身を含む): 1056939840

約数和(自身を除く): 200564095

約数列:

[1, 5, 43, 197, 215, 985, 8471, 20219, 42355, 101095, 869417, 3983143, 4347085, 19915715, 171275149, 856375745]

約数ペア:

[(1, 856375745), (5, 171275149), (43, 19915715), (197, 4347085), (215, 3983143), (985, 869417), (8471, 101095), (20219, 42355)]