28787892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 78867936

約数和(自身を除く): 50080044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 173, 196, 283, 294, 346, 519, 566, 588, 692, 849, 1038, 1132, 1211, 1698, 1981, 2076, 2422, 3396, 3633, 3962, 4844, 5943, 7266, 7924, 8477, 11886, 13867, 14532, 16954, 23772, 25431, 27734, 33908, 41601, 48959, 50862, 55468, 83202, 97918, 101724, 146877, 166404, 195836, 293754, 342713, 587508, 685426, 1028139, 1370852, 2056278, 2398991, 4112556, 4797982, 7196973, 9595964, 14393946, 28787892]

約数ペア:

[(1, 28787892), (2, 14393946), (3, 9595964), (4, 7196973), (6, 4797982), (7, 4112556), (12, 2398991), (14, 2056278), (21, 1370852), (28, 1028139), (42, 685426), (49, 587508), (84, 342713), (98, 293754), (147, 195836), (173, 166404), (196, 146877), (283, 101724), (294, 97918), (346, 83202), (519, 55468), (566, 50862), (588, 48959), (692, 41601), (849, 33908), (1038, 27734), (1132, 25431), (1211, 23772), (1698, 16954), (1981, 14532), (2076, 13867), (2422, 11886), (3396, 8477), (3633, 7924), (3962, 7266), (4844, 5943)]