1131991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 1382400

約数和(自身を除く): 250409

約数列:

[1, 7, 23, 79, 89, 161, 553, 623, 1817, 2047, 7031, 12719, 14329, 49217, 161713, 1131991]

約数ペア:

[(1, 1131991), (7, 161713), (23, 49217), (79, 14329), (89, 12719), (161, 7031), (553, 2047), (623, 1817)]