1907970519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4264

約数の個数: 64

約数和(自身を含む): 3333657600

約数和(自身を除く): 1425687081

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 89, 91, 133, 247, 267, 273, 399, 623, 741, 1157, 1691, 1729, 1869, 3471, 4133, 5073, 5187, 8099, 11837, 12399, 21983, 24297, 28931, 35511, 53729, 65949, 78527, 86793, 153881, 161187, 235581, 367837, 376103, 461643, 549689, 1020851, 1103511, 1128309, 1649067, 2574859, 3062553, 4781881, 6988903, 7145957, 7724577, 14345643, 20966709, 21437871, 33473167, 48922321, 90855739, 100419501, 146766963, 272567217, 635990173, 1907970519]

約数ペア:

[(1, 1907970519), (3, 635990173), (7, 272567217), (13, 146766963), (19, 100419501), (21, 90855739), (39, 48922321), (57, 33473167), (89, 21437871), (91, 20966709), (133, 14345643), (247, 7724577), (267, 7145957), (273, 6988903), (399, 4781881), (623, 3062553), (741, 2574859), (1157, 1649067), (1691, 1128309), (1729, 1103511), (1869, 1020851), (3471, 549689), (4133, 461643), (5073, 376103), (5187, 367837), (8099, 235581), (11837, 161187), (12399, 153881), (21983, 86793), (24297, 78527), (28931, 65949), (35511, 53729)]