172864510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{189961}}^1$

素因数の和:189988

約数の個数: 32

約数和(自身を含む): 382963392

約数和(自身を除く): 210098882

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 189961, 379922, 949805, 1329727, 1899610, 2469493, 2659454, 4938986, 6648635, 12347465, 13297270, 17286451, 24694930, 34572902, 86432255, 172864510]

約数ペア:

[(1, 172864510), (2, 86432255), (5, 34572902), (7, 24694930), (10, 17286451), (13, 13297270), (14, 12347465), (26, 6648635), (35, 4938986), (65, 2659454), (70, 2469493), (91, 1899610), (130, 1329727), (182, 949805), (455, 379922), (910, 189961)]