9890989

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 10783872

約数和(自身を除く): 892883

約数列:

[1, 23, 43, 73, 137, 989, 1679, 3139, 3151, 5891, 10001, 72197, 135493, 230023, 430043, 9890989]

約数ペア:

[(1, 9890989), (23, 430043), (43, 230023), (73, 135493), (137, 72197), (989, 10001), (1679, 5891), (3139, 3151)]