287093968

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 662993280

約数和(自身を除く): 375899312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 157, 203, 232, 314, 406, 464, 563, 628, 812, 1099, 1126, 1256, 1624, 2198, 2252, 2512, 3248, 3941, 4396, 4504, 4553, 7882, 8792, 9008, 9106, 15764, 16327, 17584, 18212, 31528, 31871, 32654, 36424, 63056, 63742, 65308, 72848, 88391, 114289, 127484, 130616, 176782, 228578, 254968, 261232, 353564, 457156, 509936, 618737, 707128, 914312, 1237474, 1414256, 1828624, 2474948, 2563339, 4949896, 5126678, 9899792, 10253356, 17943373, 20506712, 35886746, 41013424, 71773492, 143546984, 287093968]

約数ペア:

[(1, 287093968), (2, 143546984), (4, 71773492), (7, 41013424), (8, 35886746), (14, 20506712), (16, 17943373), (28, 10253356), (29, 9899792), (56, 5126678), (58, 4949896), (112, 2563339), (116, 2474948), (157, 1828624), (203, 1414256), (232, 1237474), (314, 914312), (406, 707128), (464, 618737), (563, 509936), (628, 457156), (812, 353564), (1099, 261232), (1126, 254968), (1256, 228578), (1624, 176782), (2198, 130616), (2252, 127484), (2512, 114289), (3248, 88391), (3941, 72848), (4396, 65308), (4504, 63742), (4553, 63056), (7882, 36424), (8792, 32654), (9008, 31871), (9106, 31528), (15764, 18212), (16327, 17584)]