1988493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 2901696

約数和(自身を除く): 913203

約数列:

[1, 3, 13, 39, 67, 201, 761, 871, 2283, 2613, 9893, 29679, 50987, 152961, 662831, 1988493]

約数ペア:

[(1, 1988493), (3, 662831), (13, 152961), (39, 50987), (67, 29679), (201, 9893), (761, 2613), (871, 2283)]