199971982

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{621031}}^1$

素因数の和:621063

約数の個数: 16

約数和(自身を含む): 357714432

約数和(自身を除く): 157742450

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 621031, 1242062, 4347217, 8694434, 14283713, 28567426, 99985991, 199971982]

約数ペア:

[(1, 199971982), (2, 99985991), (7, 28567426), (14, 14283713), (23, 8694434), (46, 4347217), (161, 1242062), (322, 621031)]