199438558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{210823}}^1$

素因数の和:210879

約数の個数: 16

約数和(自身を含む): 333945216

約数和(自身を除く): 134506658

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 210823, 421646, 2319053, 4638106, 9065389, 18130778, 99719279, 199438558]

約数ペア:

[(1, 199438558), (2, 99719279), (11, 18130778), (22, 9065389), (43, 4638106), (86, 2319053), (473, 421646), (946, 210823)]