862667728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 1861287120

約数和(自身を除く): 998619392

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 197, 208, 296, 394, 481, 569, 592, 788, 962, 1138, 1576, 1924, 2276, 2561, 3152, 3848, 4552, 5122, 7289, 7397, 7696, 9104, 10244, 14578, 14794, 20488, 21053, 29156, 29588, 40976, 42106, 58312, 59176, 84212, 94757, 112093, 116624, 118352, 168424, 189514, 224186, 273689, 336848, 379028, 448372, 547378, 758056, 896744, 1094756, 1457209, 1516112, 1793488, 2189512, 2914418, 4147441, 4379024, 5828836, 8294882, 11657672, 16589764, 23315344, 33179528, 53916733, 66359056, 107833466, 215666932, 431333864, 862667728]

約数ペア:

[(1, 862667728), (2, 431333864), (4, 215666932), (8, 107833466), (13, 66359056), (16, 53916733), (26, 33179528), (37, 23315344), (52, 16589764), (74, 11657672), (104, 8294882), (148, 5828836), (197, 4379024), (208, 4147441), (296, 2914418), (394, 2189512), (481, 1793488), (569, 1516112), (592, 1457209), (788, 1094756), (962, 896744), (1138, 758056), (1576, 547378), (1924, 448372), (2276, 379028), (2561, 336848), (3152, 273689), (3848, 224186), (4552, 189514), (5122, 168424), (7289, 118352), (7397, 116624), (7696, 112093), (9104, 94757), (10244, 84212), (14578, 59176), (14794, 58312), (20488, 42106), (21053, 40976), (29156, 29588)]