1998214977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{223439}}^1$

素因数の和:223724

約数の個数: 16

約数和(自身を含む): 2917232640

約数和(自身を除く): 919017663

約数列:

[1, 3, 11, 33, 271, 813, 2981, 8943, 223439, 670317, 2457829, 7373487, 60551969, 181655907, 666071659, 1998214977]

約数ペア:

[(1, 1998214977), (3, 666071659), (11, 181655907), (33, 60551969), (271, 7373487), (813, 2457829), (2981, 670317), (8943, 223439)]