821617886

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1\times {\mathrm{6397}}^1$

素因数の和:6979

約数の個数: 16

約数和(自身を含む): 1243771200

約数和(自身を除く): 422153314

約数列:

[1, 2, 149, 298, 431, 862, 6397, 12794, 64219, 128438, 953153, 1906306, 2757107, 5514214, 410808943, 821617886]

約数ペア:

[(1, 821617886), (2, 410808943), (149, 5514214), (298, 2757107), (431, 1906306), (862, 953153), (6397, 128438), (12794, 64219)]