28198005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 24056715

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 71, 83, 87, 145, 165, 213, 249, 319, 355, 415, 435, 781, 913, 957, 1065, 1245, 1595, 2059, 2343, 2407, 2739, 3905, 4565, 4785, 5893, 6177, 7221, 10295, 11715, 12035, 13695, 17679, 22649, 26477, 29465, 30885, 36105, 64823, 67947, 79431, 88395, 113245, 132385, 170897, 194469, 324115, 339735, 397155, 512691, 854485, 972345, 1879867, 2563455, 5639601, 9399335, 28198005]

約数ペア:

[(1, 28198005), (3, 9399335), (5, 5639601), (11, 2563455), (15, 1879867), (29, 972345), (33, 854485), (55, 512691), (71, 397155), (83, 339735), (87, 324115), (145, 194469), (165, 170897), (213, 132385), (249, 113245), (319, 88395), (355, 79431), (415, 67947), (435, 64823), (781, 36105), (913, 30885), (957, 29465), (1065, 26477), (1245, 22649), (1595, 17679), (2059, 13695), (2343, 12035), (2407, 11715), (2739, 10295), (3905, 7221), (4565, 6177), (4785, 5893)]