208997803

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{2957}}^1$

素因数の和:3426

約数の個数: 16

約数和(自身を含む): 249891840

約数和(自身を除く): 40894037

約数列:

[1, 7, 23, 161, 439, 2957, 3073, 10097, 20699, 68011, 70679, 476077, 1298123, 9086861, 29856829, 208997803]

約数ペア:

[(1, 208997803), (7, 29856829), (23, 9086861), (161, 1298123), (439, 476077), (2957, 70679), (3073, 68011), (10097, 20699)]