391570228

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{100609}}^1$

素因数の和:100759

約数の個数: 24

約数和(自身を含む): 788782400

約数和(自身を除く): 397212172

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 100609, 201218, 402436, 704263, 1408526, 2817052, 13984651, 27969302, 55938604, 97892557, 195785114, 391570228]

約数ペア:

[(1, 391570228), (2, 195785114), (4, 97892557), (7, 55938604), (14, 27969302), (28, 13984651), (139, 2817052), (278, 1408526), (556, 704263), (973, 402436), (1946, 201218), (3892, 100609)]