1961121988

素因数分解:

$2^2\times 7^1\times {\mathrm{70040071}}^1$

素因数の和:70040082

約数の個数: 12

約数和(自身を含む): 3922244032

約数和(自身を除く): 1961122044

約数列:

[1, 2, 4, 7, 14, 28, 70040071, 140080142, 280160284, 490280497, 980560994, 1961121988]

約数ペア:

[(1, 1961121988), (2, 980560994), (4, 490280497), (7, 280160284), (14, 140080142), (28, 70040071)]