199221331

素因数分解:

${\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 213212160

約数和(自身を除く): 13990829

約数列:

[1, 23, 79, 83, 1321, 1817, 1909, 6557, 30383, 104359, 109643, 150811, 2400257, 2521789, 8661797, 199221331]

約数ペア:

[(1, 199221331), (23, 8661797), (79, 2521789), (83, 2400257), (1321, 150811), (1817, 109643), (1909, 104359), (6557, 30383)]