561259888

素因数分解:

$2^4\times 7^1\times {\mathrm{5011249}}^1$

素因数の和:5011264

約数の個数: 20

約数和(自身を含む): 1242790000

約数和(自身を除く): 681530112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5011249, 10022498, 20044996, 35078743, 40089992, 70157486, 80179984, 140314972, 280629944, 561259888]

約数ペア:

[(1, 561259888), (2, 280629944), (4, 140314972), (7, 80179984), (8, 70157486), (14, 40089992), (16, 35078743), (28, 20044996), (56, 10022498), (112, 5011249)]