1820011249

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{90247}}^1$

素因数の和:90364

約数の個数: 16

約数和(自身を含む): 2160176128

約数和(自身を除く): 340164879

約数列:

[1, 7, 43, 67, 301, 469, 2881, 20167, 90247, 631729, 3880621, 6046549, 27164347, 42325843, 260001607, 1820011249]

約数ペア:

[(1, 1820011249), (7, 260001607), (43, 42325843), (67, 27164347), (301, 6046549), (469, 3880621), (2881, 631729), (20167, 90247)]