1285766864

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{191791}}^1$

素因数の和:192218

約数の個数: 20

約数和(自身を含む): 2497131840

約数和(自身を除く): 1211364976

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 191791, 383582, 767164, 1534328, 3068656, 80360429, 160720858, 321441716, 642883432, 1285766864]

約数ペア:

[(1, 1285766864), (2, 642883432), (4, 321441716), (8, 160720858), (16, 80360429), (419, 3068656), (838, 1534328), (1676, 767164), (3352, 383582), (6704, 191791)]