268578908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271841}}^1$

素因数の和:271877

約数の個数: 24

約数和(自身を含む): 532810320

約数和(自身を除く): 264231412

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 271841, 543682, 1087364, 3533933, 5164979, 7067866, 10329958, 14135732, 20659916, 67144727, 134289454, 268578908]

約数ペア:

[(1, 268578908), (2, 134289454), (4, 67144727), (13, 20659916), (19, 14135732), (26, 10329958), (38, 7067866), (52, 5164979), (76, 3533933), (247, 1087364), (494, 543682), (988, 271841)]