2645881

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 3179520

約数和(自身を除く): 533639

約数列:

[1, 7, 31, 89, 137, 217, 623, 959, 2759, 4247, 12193, 19313, 29729, 85351, 377983, 2645881]

約数ペア:

[(1, 2645881), (7, 377983), (31, 85351), (89, 29729), (137, 19313), (217, 12193), (623, 4247), (959, 2759)]