209217966321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1\times {\mathrm{5581}}^1$

素因数の和:6346

約数の個数: 64

約数和(自身を含む): 345251612160

約数和(自身を除く): 136033645839

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 353, 389, 1059, 1167, 2471, 2723, 4589, 5057, 5581, 7413, 8169, 13767, 15171, 16743, 32123, 35399, 39067, 72553, 96369, 106197, 117201, 137317, 217659, 411951, 507871, 961219, 1523613, 1785121, 1970093, 2171009, 2883657, 5355363, 5910279, 6513027, 12495847, 13790651, 15197063, 25611209, 28223117, 37487541, 41371953, 45591189, 76833627, 84669351, 179278463, 197561819, 537835389, 592685457, 766366177, 2299098531, 5364563239, 9962760301, 16093689717, 29888280903, 69739322107, 209217966321]

約数ペア:

[(1, 209217966321), (3, 69739322107), (7, 29888280903), (13, 16093689717), (21, 9962760301), (39, 5364563239), (91, 2299098531), (273, 766366177), (353, 592685457), (389, 537835389), (1059, 197561819), (1167, 179278463), (2471, 84669351), (2723, 76833627), (4589, 45591189), (5057, 41371953), (5581, 37487541), (7413, 28223117), (8169, 25611209), (13767, 15197063), (15171, 13790651), (16743, 12495847), (32123, 6513027), (35399, 5910279), (39067, 5355363), (72553, 2883657), (96369, 2171009), (106197, 1970093), (117201, 1785121), (137317, 1523613), (217659, 961219), (411951, 507871)]