1398678141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 2315335680

約数和(自身を除く): 916657539

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 193, 287, 399, 443, 579, 779, 861, 1329, 1351, 2337, 3101, 3667, 4053, 5453, 7913, 8417, 9303, 11001, 16359, 18163, 23739, 25251, 25669, 54489, 55391, 58919, 77007, 85499, 127141, 150347, 166173, 176757, 256497, 345097, 381423, 451041, 598493, 1035291, 1052429, 1624481, 1795479, 2415679, 3157287, 3505459, 4873443, 7247037, 10516377, 11371367, 24538213, 34114101, 66603721, 73614639, 199811163, 466226047, 1398678141]

約数ペア:

[(1, 1398678141), (3, 466226047), (7, 199811163), (19, 73614639), (21, 66603721), (41, 34114101), (57, 24538213), (123, 11371367), (133, 10516377), (193, 7247037), (287, 4873443), (399, 3505459), (443, 3157287), (579, 2415679), (779, 1795479), (861, 1624481), (1329, 1052429), (1351, 1035291), (2337, 598493), (3101, 451041), (3667, 381423), (4053, 345097), (5453, 256497), (7913, 176757), (8417, 166173), (9303, 150347), (11001, 127141), (16359, 85499), (18163, 77007), (23739, 58919), (25251, 55391), (25669, 54489)]