1880973381

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6449}}^1$

素因数の和:6538

約数の個数: 64

約数和(自身を含む): 3269376000

約数和(自身を除く): 1388402619

約数列:

[1, 3, 7, 17, 19, 21, 43, 51, 57, 119, 129, 133, 301, 323, 357, 399, 731, 817, 903, 969, 2193, 2261, 2451, 5117, 5719, 6449, 6783, 13889, 15351, 17157, 19347, 41667, 45143, 97223, 109633, 122531, 135429, 277307, 291669, 328899, 367593, 767431, 831921, 857717, 1941149, 2083027, 2302293, 2573151, 4714219, 5268833, 5823447, 6249081, 14142657, 14581189, 15806499, 32999533, 36881831, 43743567, 89570161, 98998599, 110645493, 268710483, 626991127, 1880973381]

約数ペア:

[(1, 1880973381), (3, 626991127), (7, 268710483), (17, 110645493), (19, 98998599), (21, 89570161), (43, 43743567), (51, 36881831), (57, 32999533), (119, 15806499), (129, 14581189), (133, 14142657), (301, 6249081), (323, 5823447), (357, 5268833), (399, 4714219), (731, 2573151), (817, 2302293), (903, 2083027), (969, 1941149), (2193, 857717), (2261, 831921), (2451, 767431), (5117, 367593), (5719, 328899), (6449, 291669), (6783, 277307), (13889, 135429), (15351, 122531), (17157, 109633), (19347, 97223), (41667, 45143)]