1666708970

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{260017}}^1$

素因数の和:260665

約数の個数: 16

約数和(自身を含む): 3004768008

約数和(自身を除く): 1338059038

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 260017, 520034, 1300085, 2600170, 166670897, 333341794, 833354485, 1666708970]

約数ペア:

[(1, 1666708970), (2, 833354485), (5, 333341794), (10, 166670897), (641, 2600170), (1282, 1300085), (3205, 520034), (6410, 260017)]