204987952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{985519}}^1$

素因数の和:985540

約数の個数: 20

約数和(自身を含む): 427715680

約数和(自身を除く): 222727728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 985519, 1971038, 3942076, 7884152, 12811747, 15768304, 25623494, 51246988, 102493976, 204987952]

約数ペア:

[(1, 204987952), (2, 102493976), (4, 51246988), (8, 25623494), (13, 15768304), (16, 12811747), (26, 7884152), (52, 3942076), (104, 1971038), (208, 985519)]