64728656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{237973}}^1$

素因数の和:237998

約数の個数: 20

約数和(自身を含む): 132789492

約数和(自身を除く): 68060836

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 237973, 475946, 951892, 1903784, 3807568, 4045541, 8091082, 16182164, 32364328, 64728656]

約数ペア:

[(1, 64728656), (2, 32364328), (4, 16182164), (8, 8091082), (16, 4045541), (17, 3807568), (34, 1903784), (68, 951892), (136, 475946), (272, 237973)]