28091855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 11099185

約数列:

[1, 5, 11, 23, 53, 55, 115, 253, 265, 419, 583, 1219, 1265, 2095, 2915, 4609, 6095, 9637, 13409, 22207, 23045, 48185, 67045, 106007, 111035, 244277, 510761, 530035, 1221385, 2553805, 5618371, 28091855]

約数ペア:

[(1, 28091855), (5, 5618371), (11, 2553805), (23, 1221385), (53, 530035), (55, 510761), (115, 244277), (253, 111035), (265, 106007), (419, 67045), (583, 48185), (1219, 23045), (1265, 22207), (2095, 13409), (2915, 9637), (4609, 6095)]