1660432

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 20

約数和(自身を含む): 3242476

約数和(自身を除く): 1582044

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 661, 1256, 1322, 2512, 2644, 5288, 10576, 103777, 207554, 415108, 830216, 1660432]

約数ペア:

[(1, 1660432), (2, 830216), (4, 415108), (8, 207554), (16, 103777), (157, 10576), (314, 5288), (628, 2644), (661, 2512), (1256, 1322)]