28100488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 57135960

約数和(自身を除く): 29035472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 1721, 2041, 3442, 4082, 6884, 8164, 13768, 16328, 22373, 44746, 89492, 178984, 270197, 540394, 1080788, 2161576, 3512561, 7025122, 14050244, 28100488]

約数ペア:

[(1, 28100488), (2, 14050244), (4, 7025122), (8, 3512561), (13, 2161576), (26, 1080788), (52, 540394), (104, 270197), (157, 178984), (314, 89492), (628, 44746), (1256, 22373), (1721, 16328), (2041, 13768), (3442, 8164), (4082, 6884)]