81431569328

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47565169}}^1$

素因数の和:47565284

約数の個数: 20

約数和(自身を含む): 159248189160

約数和(自身を除く): 77816619832

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47565169, 95130338, 190260676, 380521352, 761042704, 5089473083, 10178946166, 20357892332, 40715784664, 81431569328]

約数ペア:

[(1, 81431569328), (2, 40715784664), (4, 20357892332), (8, 10178946166), (16, 5089473083), (107, 761042704), (214, 380521352), (428, 190260676), (856, 95130338), (1712, 47565169)]