1808191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 2354688

約数和(自身を除く): 546497

約数列:

[1, 7, 11, 23, 77, 161, 253, 1021, 1771, 7147, 11231, 23483, 78617, 164381, 258313, 1808191]

約数ペア:

[(1, 1808191), (7, 258313), (11, 164381), (23, 78617), (77, 23483), (161, 11231), (253, 7147), (1021, 1771)]