821865434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{23929}}^1$

素因数の和:25265

約数の個数: 16

約数和(自身を含む): 1328689320

約数和(自身を除く): 506823886

約数列:

[1, 2, 13, 26, 1321, 2642, 17173, 23929, 34346, 47858, 311077, 622154, 31610209, 63220418, 410932717, 821865434]

約数ペア:

[(1, 821865434), (2, 410932717), (13, 63220418), (26, 31610209), (1321, 622154), (2642, 311077), (17173, 47858), (23929, 34346)]