28289712

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 80530560

約数和(自身を除く): 52240848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 131, 132, 176, 262, 264, 393, 409, 524, 528, 786, 818, 1048, 1227, 1441, 1572, 1636, 2096, 2454, 2882, 3144, 3272, 4323, 4499, 4908, 5764, 6288, 6544, 8646, 8998, 9816, 11528, 13497, 17292, 17996, 19632, 23056, 26994, 34584, 35992, 53579, 53988, 69168, 71984, 107158, 107976, 160737, 214316, 215952, 321474, 428632, 589369, 642948, 857264, 1178738, 1285896, 1768107, 2357476, 2571792, 3536214, 4714952, 7072428, 9429904, 14144856, 28289712]

約数ペア:

[(1, 28289712), (2, 14144856), (3, 9429904), (4, 7072428), (6, 4714952), (8, 3536214), (11, 2571792), (12, 2357476), (16, 1768107), (22, 1285896), (24, 1178738), (33, 857264), (44, 642948), (48, 589369), (66, 428632), (88, 321474), (131, 215952), (132, 214316), (176, 160737), (262, 107976), (264, 107158), (393, 71984), (409, 69168), (524, 53988), (528, 53579), (786, 35992), (818, 34584), (1048, 26994), (1227, 23056), (1441, 19632), (1572, 17996), (1636, 17292), (2096, 13497), (2454, 11528), (2882, 9816), (3144, 8998), (3272, 8646), (4323, 6544), (4499, 6288), (4908, 5764)]