1290253412

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{869443}}^1$

素因数の和:869507

約数の個数: 24

約数和(自身を含む): 2629198656

約数和(自身を除く): 1338945244

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 869443, 1738886, 3477772, 6086101, 12172202, 24344404, 46080479, 92160958, 184321916, 322563353, 645126706, 1290253412]

約数ペア:

[(1, 1290253412), (2, 645126706), (4, 322563353), (7, 184321916), (14, 92160958), (28, 46080479), (53, 24344404), (106, 12172202), (212, 6086101), (371, 3477772), (742, 1738886), (1484, 869443)]