203400428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{660391}}^1$

素因数の和:660413

約数の個数: 24

約数和(自身を含む): 443783424

約数和(自身を除く): 240382996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 660391, 1320782, 2641564, 4622737, 7264301, 9245474, 14528602, 18490948, 29057204, 50850107, 101700214, 203400428]

約数ペア:

[(1, 203400428), (2, 101700214), (4, 50850107), (7, 29057204), (11, 18490948), (14, 14528602), (22, 9245474), (28, 7264301), (44, 4622737), (77, 2641564), (154, 1320782), (308, 660391)]