217420196

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{337609}}^1$

素因数の和:337643

約数の個数: 24

約数和(自身を含む): 453747840

約数和(自身を除く): 236327644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 337609, 675218, 1350436, 2363263, 4726526, 7765007, 9453052, 15530014, 31060028, 54355049, 108710098, 217420196]

約数ペア:

[(1, 217420196), (2, 108710098), (4, 54355049), (7, 31060028), (14, 15530014), (23, 9453052), (28, 7765007), (46, 4726526), (92, 2363263), (161, 1350436), (322, 675218), (644, 337609)]