2181299939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{510007}}^1$

素因数の和:510074

約数の個数: 16

約数和(自身を含む): 2741803008

約数和(自身を除く): 560503069

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 510007, 3570049, 6630091, 23970329, 46410637, 167792303, 311614277, 2181299939]

約数ペア:

[(1, 2181299939), (7, 311614277), (13, 167792303), (47, 46410637), (91, 23970329), (329, 6630091), (611, 3570049), (4277, 510007)]