68879902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19919}}^1$

素因数の和:19960

約数の個数: 32

約数和(自身を含む): 133862400

約数和(自身を除く): 64982498

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 19919, 39838, 139433, 258947, 278866, 378461, 517894, 756922, 1812629, 2649227, 3625258, 4919993, 5298454, 9839986, 34439951, 68879902]

約数ペア:

[(1, 68879902), (2, 34439951), (7, 9839986), (13, 5298454), (14, 4919993), (19, 3625258), (26, 2649227), (38, 1812629), (91, 756922), (133, 517894), (182, 378461), (247, 278866), (266, 258947), (494, 139433), (1729, 39838), (3458, 19919)]