2195280388

素因数分解:

$2^2\times 7^1\times {\mathrm{78402871}}^1$

素因数の和:78402882

約数の個数: 12

約数和(自身を含む): 4390560832

約数和(自身を除く): 2195280444

約数列:

[1, 2, 4, 7, 14, 28, 78402871, 156805742, 313611484, 548820097, 1097640194, 2195280388]

約数ペア:

[(1, 2195280388), (2, 1097640194), (4, 548820097), (7, 313611484), (14, 156805742), (28, 78402871)]