28001988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111119}}^1$

素因数の和:111136

約数の個数: 36

約数和(自身を含む): 80895360

約数和(自身を除く): 52893372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111119, 222238, 333357, 444476, 666714, 777833, 1000071, 1333428, 1555666, 2000142, 2333499, 3111332, 4000284, 4666998, 7000497, 9333996, 14000994, 28001988]

約数ペア:

[(1, 28001988), (2, 14000994), (3, 9333996), (4, 7000497), (6, 4666998), (7, 4000284), (9, 3111332), (12, 2333499), (14, 2000142), (18, 1555666), (21, 1333428), (28, 1000071), (36, 777833), (42, 666714), (63, 444476), (84, 333357), (126, 222238), (252, 111119)]