16378047

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 28753920

約数和(自身を除く): 12375873

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 127, 161, 207, 267, 381, 483, 623, 801, 889, 1143, 1449, 1869, 2047, 2667, 2921, 5607, 6141, 8001, 8763, 11303, 14329, 18423, 20447, 26289, 33909, 42987, 61341, 79121, 101727, 128961, 184023, 237363, 259969, 712089, 779907, 1819783, 2339721, 5459349, 16378047]

約数ペア:

[(1, 16378047), (3, 5459349), (7, 2339721), (9, 1819783), (21, 779907), (23, 712089), (63, 259969), (69, 237363), (89, 184023), (127, 128961), (161, 101727), (207, 79121), (267, 61341), (381, 42987), (483, 33909), (623, 26289), (801, 20447), (889, 18423), (1143, 14329), (1449, 11303), (1869, 8763), (2047, 8001), (2667, 6141), (2921, 5607)]