13257398

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 25602048

約数和(自身を除く): 12344650

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 2777, 4774, 5554, 19439, 30547, 38878, 61094, 86087, 172174, 213829, 427658, 602609, 946957, 1205218, 1893914, 6628699, 13257398]

約数ペア:

[(1, 13257398), (2, 6628699), (7, 1893914), (11, 1205218), (14, 946957), (22, 602609), (31, 427658), (62, 213829), (77, 172174), (154, 86087), (217, 61094), (341, 38878), (434, 30547), (682, 19439), (2387, 5554), (2777, 4774)]