268291448

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{991}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 515919360

約数和(自身を除く): 247627912

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 787, 991, 1574, 1982, 3148, 3964, 6296, 7928, 33841, 42613, 67682, 85226, 135364, 170452, 270728, 340904, 779917, 1559834, 3119668, 6239336, 33536431, 67072862, 134145724, 268291448]

約数ペア:

[(1, 268291448), (2, 134145724), (4, 67072862), (8, 33536431), (43, 6239336), (86, 3119668), (172, 1559834), (344, 779917), (787, 340904), (991, 270728), (1574, 170452), (1982, 135364), (3148, 85226), (3964, 67682), (6296, 42613), (7928, 33841)]