2389309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 2749824

約数和(自身を除く): 360515

約数列:

[1, 13, 23, 61, 131, 299, 793, 1403, 1703, 3013, 7991, 18239, 39169, 103883, 183793, 2389309]

約数ペア:

[(1, 2389309), (13, 183793), (23, 103883), (61, 39169), (131, 18239), (299, 7991), (793, 3013), (1403, 1703)]